Almanac 1981

< Back to index of years ••• ← 1980 1981 1982 →

Exclamation mark The information in this almanac is approximate. In any case, the accuracy should be sufficient for casual stargazing. Instructions for use are at the bottom of this page.

Calendar · Principal phenomena of the Sun and the Moon · Risings and settings of the planets · Planetary phenomena · Planetenary magnitudes, phases and diameters · Declinations · Meridian passages · Rings of Saturn · Planet distances · Nutation in obliquity · Heliocentric positions

Calendar 1981

January · February · March · April · May · June · July · August · September · October · November · December

January
WeekMTWTFSS
1 1 2 3 4
2 5 6 7 8 9 10 11
3 12 13 14 15 16 17 18
4 19 20 21 22 23 24 25
5 26 27 28 29 30 31
 
February
WeekMTWTFSS
5 1
6 2 3 4 5 6 7 8
7 9 10 11 12 13 14 15
8 16 17 18 19 20 21 22
9 23 24 25 26 27 28
 
March
WeekMTWTFSS
9 1
10 2 3 4 5 6 7 8
11 9 10 11 12 13 14 15
12 16 17 18 19 20 21 22
13 23 24 25 26 27 28 29
14 30 31
April
WeekMTWTFSS
14 1 2 3 4 5
15 6 7 8 9 10 11 12
16 13 14 15 16 17 18 19
17 20 21 22 23 24 25 26
18 27 28 29 30
 
May
WeekMTWTFSS
18 1 2 3
19 4 5 6 7 8 9 10
20 11 12 13 14 15 16 17
21 18 19 20 21 22 23 24
22 25 26 27 28 29 30 31
 
June
WeekMTWTFSS
23 1 2 3 4 5 6 7
24 8 9 10 11 12 13 14
25 15 16 17 18 19 20 21
26 22 23 24 25 26 27 28
27 29 30
 
July
WeekMTWTFSS
27 1 2 3 4 5
28 6 7 8 9 10 11 12
29 13 14 15 16 17 18 19
30 20 21 22 23 24 25 26
31 27 28 29 30 31
 
August
WeekMTWTFSS
31 1 2
32 3 4 5 6 7 8 9
33 10 11 12 13 14 15 16
34 17 18 19 20 21 22 23
35 24 25 26 27 28 29 30
36 31
September
WeekMTWTFSS
36 1 2 3 4 5 6
37 7 8 9 10 11 12 13
38 14 15 16 17 18 19 20
39 21 22 23 24 25 26 27
40 28 29 30
 
October
WeekMTWTFSS
40 1 2 3 4
41 5 6 7 8 9 10 11
42 12 13 14 15 16 17 18
43 19 20 21 22 23 24 25
44 26 27 28 29 30 31
 
November
WeekMTWTFSS
44 1
45 2 3 4 5 6 7 8
46 9 10 11 12 13 14 15
47 16 17 18 19 20 21 22
48 23 24 25 26 27 28 29
49 30
December
WeekMTWTFSS
49 1 2 3 4 5 6
50 7 8 9 10 11 12 13
51 14 15 16 17 18 19 20
52 21 22 23 24 25 26 27
53 28 29 30 31
 

Legend

BoldEquinox or solstice
GreyNew Moon
Light greyFirst quarter Moon, full Moon or third quarter Moon

Sun · Phases of the Moon · Moon apsides · Lunar nodes · Maximum declinations of the Moon · Distance of the Moon

Sun 1981

dh
Perigee:Jan. 202
Apogee:Jul. 323

dhmdhm
Equinoxes:Mar.201703Sep.230305
Solstices:Jun.211145Dec.212251

Phases of the Moon 1981

New MoonFirst quarterFull MoonThird quarter
dhmdhmdhmdhm
Jan. 60722Jan.131010Jan.200737Jan.280419
Feb. 42212Feb.111749Feb.182256Feb.270114
Mar. 61029Mar.130150Mar.201520Mar.281934
Apr. 42017Apr.111110Apr.190757Apr.271015
May 40417May 102222May 190002May 262100
Jun. 21130Jun. 91133Jun.171503Jun.250425
Jul. 11901Jul. 90240Jul.170437Jul.240940
Jul.310350Aug. 71926Aug.151635Aug.221416
Aug.291442Sep. 61326Sep.140307Sep.201948
Sep.280406Oct. 60745Oct.131248Oct.200341
Oct.272011Nov. 50109Nov.112225Nov.181454
Nov.261437Dec. 41622Dec.110839Dec.180547
Dec.261008

Apsides of the Moon 1981

PerigeeApogee
dhDistance
km
Distance
Earth radii
dhDistance
km
Distance
Earth radii
Jan.1504369 64557.955Jan.2720404 40363.405
Feb. 823368 19657.728Feb.2417404 85763.476
Mar. 812362 69856.866Mar.2409405 71663.610
Apr. 519358 49156.206Apr.2016406 33863.708
May 405357 01755.975May 1718406 38863.716
Jun. 114358 47256.203Jun.1403405 78063.620
Jun.2919362 33356.809Jul.1118404 83163.472
Jul.2709367 27657.584Aug. 812404 22663.377
Aug.2121369 65657.957Sep. 507404 44263.411
Sep.1704365 63857.327Oct. 301405 35563.554
Oct.1502360 48156.518Oct.3016406 29463.701
Nov.1211357 10155.988Nov.2621406 63763.755
Dec.1100356 78355.938Dec.2323406 35863.711

Passages of the Moon through the nodes 1981

AscendingDescending
dhmdhm
Jan. 80454
Jan.210248 Feb. 41317
Feb.171105 Mar. 32247
Mar.161550 Mar.310538
Apr.121709 Apr.270825
May 91828 May 240928
Jun. 52315 Jun.201214
Jul. 30743 Jul.171811
Jul.301717 Aug.140207
Aug.270045 Sep.100933
Sep.230410 Oct. 71409
Oct.200444 Nov. 31549
Nov.160655 Nov.301729
Dec.131408 Dec.272152

Maximum declinations of the Moon 1981

NorthSouth
dhmDec
°
dhmDec
°
Jan. 52142−20.4
Jan.182142+20.4 Feb. 20658−20.3
Feb.150440+20.4 Mar. 11616−20.4
Mar.140954+20.5 Mar.290033−20.6
Apr.101555+20.7 Apr.250739−20.9
May 80026+20.9 May 221409−21.1
Jun. 41106+21.1 Jun.182048−21.1
Jul. 12204+21.1 Jul.160407−21.1
Jul.290722+21.1 Aug.121207−21.1
Aug.251408+21.2 Sep. 82028−21.2
Sep.211918+21.3 Oct. 60435−21.5
Oct.190106+21.6 Nov. 21202−21.7
Nov.150935+21.8 Nov.291849−21.9
Dec.122050+21.9 Dec.270124−21.9

Distance from the Earth to the Moon in 1981

Distance from the Earth to the Moon in 1981

Mercury · Venus · Mars · Jupiter · Saturn · Uranus · Neptun

Mercury 1981

20° N 30° N 40° N 50° N 60° N
Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set
Jan. 1 6 42 12 07 17 31 7 05 12 07 17 09 7 34 12 07 16 40 8 15 12 07 15 59 9 30 12 07 14 43
6 6 56 12 22 17 49 7 19 12 22 17 27 7 46 12 22 16 59 8 26 12 22 16 20 9 37 12 22 15 09
11 7 10 12 38 18 07 7 31 12 38 17 47 7 56 12 38 17 21 8 33 12 38 16 45 9 36 12 38 15 42
16 7 22 12 54 18 26 7 41 12 54 18 08 8 04 12 54 17 45 8 36 12 54 17 13 9 30 12 54 16 19
21 7 32 13 08 18 44 7 48 13 08 18 29 8 08 13 08 18 09 8 35 13 08 17 42 9 19 13 08 16 58
26 7 38 13 19 19 00 7 51 13 19 18 47 8 07 13 19 18 32 8 29 13 19 18 10 9 03 13 19 17 37
31 7 39 13 24 19 10 7 49 13 24 19 00 8 01 13 24 18 48 8 18 13 24 18 32 8 43 13 24 18 07
Feb. 5 7 30 13 19 19 08 7 38 13 19 19 01 7 47 13 19 18 52 7 59 13 19 18 40 8 18 13 19 18 22
10 7 09 12 59 18 49 7 15 12 59 18 43 7 22 12 59 18 36 7 32 12 59 18 26 7 48 12 59 18 11
15 6 35 12 24 18 13 6 42 12 24 18 07 6 49 12 24 17 59 7 00 12 24 17 48 7 16 12 24 17 32
20 5 57 11 44 17 30 6 05 11 44 17 22 6 15 11 44 17 12 6 28 11 44 16 59 6 48 11 44 16 38
25 5 25 11 09 16 53 5 35 11 09 16 43 5 47 11 09 16 31 6 03 11 09 16 14 6 29 11 09 15 48
Mar. 2 5 03 10 46 16 28 5 15 10 46 16 16 5 28 10 46 16 03 5 47 10 46 15 44 6 16 10 46 15 14
7 4 51 10 33 16 14 5 03 10 33 16 02 5 17 10 33 15 48 5 37 10 33 15 28 6 08 10 33 14 57
12 4 45 10 27 16 09 4 57 10 27 15 57 5 11 10 27 15 43 5 31 10 27 15 24 6 02 10 27 14 53
17 4 43 10 27 16 10 4 54 10 27 15 59 5 08 10 27 15 46 5 26 10 27 15 28 5 55 10 27 15 00
22 4 44 10 30 16 16 4 54 10 30 16 07 5 06 10 30 15 55 5 22 10 30 15 39 5 46 10 30 15 15
27 4 47 10 36 16 25 4 54 10 36 16 17 5 04 10 36 16 08 5 17 10 36 15 56 5 37 10 36 15 36
Apr. 1 4 50 10 43 16 37 4 56 10 43 16 31 5 03 10 43 16 25 5 12 10 43 16 16 5 26 10 43 16 03
6 4 55 10 53 16 51 4 58 10 53 16 48 5 02 10 53 16 45 5 06 10 53 16 41 5 13 10 53 16 35
11 5 02 11 04 17 08 5 01 11 04 17 08 5 01 11 04 17 09 5 01 11 04 17 10 5 00 11 04 17 11
16 5 09 11 18 17 27 5 06 11 18 17 31 5 01 11 18 17 36 4 55 11 18 17 42 4 46 11 18 17 53
21 5 19 11 34 17 50 5 12 11 34 17 57 5 03 11 34 18 06 4 51 11 34 18 19 4 32 11 34 18 40
26 5 31 11 53 18 15 5 20 11 53 18 27 5 06 11 53 18 41 4 47 11 53 19 01 4 17 11 53 19 32
May 1 5 45 12 14 18 43 5 30 12 14 18 59 5 12 12 14 19 18 4 46 12 14 19 45 4 03 12 14 20 30
6 6 02 12 37 19 12 5 43 12 37 19 31 5 20 12 37 19 55 4 47 12 37 20 29 3 50 12 37 21 28
11 6 19 12 58 19 38 5 57 12 58 20 00 5 30 12 58 20 27 4 50 12 58 21 08 3 40 12 58 22 21
16 6 34 13 16 19 58 6 10 13 16 20 22 5 40 13 16 20 52 4 57 13 16 21 36 3 34 13 16 23 00
21 6 45 13 28 20 12 6 21 13 28 20 36 5 50 13 28 21 07 5 04 13 28 21 53 3 35 13 28 23 22
26 6 52 13 34 20 17 6 27 13 34 20 41 5 56 13 34 21 12 5 11 13 34 21 57 3 43 13 34 23 25
31 6 52 13 33 20 14 6 29 13 33 20 38 5 59 13 33 21 07 5 15 13 33 21 50 3 52 13 33 23 12
Jun. 5 6 45 13 24 20 03 6 23 13 24 20 25 5 55 13 24 20 53 5 14 13 24 21 33 3 59 13 24 22 47
10 6 31 13 07 19 42 6 10 13 07 20 03 5 43 13 07 20 29 5 06 13 07 21 06 3 58 13 07 22 12
15 6 08 12 41 19 14 5 49 12 41 19 34 5 24 12 41 19 58 4 50 12 41 20 32 3 49 12 41 21 31
20 5 40 12 11 18 42 5 22 12 11 19 00 4 59 12 11 19 22 4 27 12 11 19 54 3 32 12 11 20 48
25 5 10 11 40 18 09 4 53 11 40 18 26 4 31 11 40 18 48 4 00 11 40 19 18 3 09 11 40 20 09
30 4 42 11 12 17 41 4 25 11 12 17 58 4 04 11 12 18 20 3 34 11 12 18 50 2 44 11 12 19 40
Jul. 5 4 21 10 51 17 22 4 03 10 51 17 39 3 42 10 51 18 01 3 11 10 51 18 32 2 20 10 51 19 24
10 4 07 10 39 17 12 3 49 10 39 17 30 3 26 10 39 17 53 2 54 10 39 18 26 1 59 10 39 19 21
15 4 02 10 36 17 11 3 43 10 36 17 31 3 18 10 36 17 55 2 44 10 36 18 30 1 45 10 36 19 30
20 4 06 10 43 17 19 3 46 10 43 17 40 3 20 10 43 18 05 2 44 10 43 18 42 1 40 10 43 19 47
25 4 19 10 57 17 35 3 58 10 57 17 56 3 32 10 57 18 22 2 55 10 57 18 59 1 48 10 57 20 06
30 4 40 11 17 17 55 4 20 11 17 18 15 3 54 11 17 18 40 3 17 11 17 19 17 2 13 11 17 20 20
Aug. 4 5 06 11 41 18 15 4 47 11 41 18 34 4 24 11 41 18 57 3 50 11 41 19 30 2 53 11 41 20 26
9 5 33 12 04 18 34 5 17 12 04 18 50 4 57 12 04 19 10 4 28 12 04 19 38 3 41 12 04 20 23
14 5 59 12 24 18 49 5 45 12 24 19 01 5 29 12 24 19 17 5 06 12 24 19 39 4 29 12 24 20 14
19 6 21 12 40 18 59 6 11 12 40 19 09 5 59 12 40 19 20 5 42 12 40 19 37 5 15 12 40 20 02
24 6 40 12 54 19 07 6 34 12 54 19 13 6 26 12 54 19 20 6 15 12 54 19 31 5 57 12 54 19 47
29 6 56 13 04 19 12 6 53 13 04 19 14 6 49 13 04 19 18 6 44 13 04 19 23 6 35 13 04 19 30
Sep. 3 7 10 13 12 19 14 7 10 13 12 19 14 7 10 13 12 19 14 7 10 13 12 19 13 7 09 13 12 19 13
8 7 21 13 19 19 15 7 25 13 19 19 12 7 28 13 19 19 08 7 33 13 19 19 03 7 40 13 19 18 55
13 7 31 13 23 19 15 7 37 13 23 19 08 7 44 13 23 19 01 7 53 13 23 18 51 8 08 13 23 18 36
18 7 38 13 25 19 12 7 46 13 25 19 04 7 57 13 25 18 53 8 11 13 25 18 38 8 32 13 25 18 16
23 7 41 13 25 19 08 7 52 13 25 18 57 8 05 13 25 18 43 8 23 13 25 18 25 8 52 13 25 17 56
28 7 40 13 21 19 01 7 53 13 21 18 48 8 09 13 21 18 32 8 30 13 21 18 10 9 04 13 21 17 36
Oct. 3 7 33 13 11 18 49 7 46 13 11 18 35 8 04 13 11 18 18 8 27 13 11 17 54 9 04 13 11 17 16
8 7 14 12 52 18 29 7 28 12 52 18 15 7 45 12 52 17 58 8 09 12 52 17 35 8 46 12 52 16 58
13 6 42 12 21 18 01 6 54 12 21 17 49 7 09 12 21 17 34 7 30 12 21 17 14 8 03 12 21 16 42
18 5 58 11 42 17 27 6 07 11 42 17 18 6 19 11 42 17 07 6 34 11 42 16 52 6 58 11 42 16 29
23 5 16 11 06 16 56 5 22 11 06 16 50 5 30 11 06 16 43 5 40 11 06 16 33 5 55 11 06 16 18
28 4 50 10 43 16 36 4 54 10 43 16 32 5 00 10 43 16 26 5 08 10 43 16 18 5 19 10 43 16 07
Nov. 2 4 42 10 35 16 28 4 47 10 35 16 23 4 53 10 35 16 16 5 02 10 35 16 08 5 14 10 35 15 55
7 4 46 10 37 16 27 4 53 10 37 16 20 5 02 10 37 16 11 5 13 10 37 16 00 5 31 10 37 15 42
12 4 58 10 44 16 30 5 07 10 44 16 21 5 18 10 44 16 09 5 34 10 44 15 53 5 58 10 44 15 28
17 5 12 10 54 16 36 5 24 10 54 16 23 5 38 10 54 16 08 5 59 10 54 15 48 6 31 10 54 15 15
22 5 27 11 05 16 42 5 42 11 05 16 27 6 00 11 05 16 09 6 25 11 05 15 44 7 05 11 05 15 03
27 5 43 11 17 16 50 6 00 11 17 16 33 6 21 11 17 16 11 6 51 11 17 15 41 7 40 11 17 14 52
Dec. 2 5 59 11 29 16 59 6 19 11 29 16 40 6 43 11 29 16 16 7 17 11 29 15 41 8 15 11 29 14 43
7 6 16 11 43 17 10 6 37 11 43 16 49 7 03 11 43 16 22 7 41 11 43 15 44 8 47 11 43 14 38
12 6 32 11 57 17 23 6 55 11 57 17 00 7 23 11 57 16 31 8 04 11 57 15 51 9 17 11 57 14 37
17 6 48 12 12 17 36 7 12 12 12 17 13 7 41 12 12 16 44 8 23 12 12 16 01 9 41 12 12 14 43
22 7 04 12 28 17 52 7 27 12 28 17 28 7 57 12 28 16 59 8 39 12 28 16 16 9 58 12 28 14 58
27 7 19 12 43 18 08 7 42 12 43 17 46 8 10 12 43 17 17 8 52 12 43 16 36 10 07 12 43 15 21
32 7 32 12 59 18 26 7 53 12 59 18 04 8 21 12 59 17 37 8 59 12 59 16 59 10 07 12 59 15 51

Venus 1981

20° N 30° N 40° N 50° N 60° N
Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set
Jan. 1 4 53 10 22 15 51 5 13 10 22 15 31 5 38 10 22 15 06 6 13 10 22 14 31 7 13 10 22 13 31
11 5 10 10 37 16 04 5 30 10 37 15 43 5 57 10 37 15 17 6 34 10 37 14 40 7 39 10 37 13 35
21 5 24 10 52 16 20 5 45 10 52 15 59 6 11 10 52 15 33 6 48 10 52 14 56 7 52 10 52 13 52
31 5 36 11 06 16 36 5 56 11 06 16 17 6 20 11 06 15 53 6 54 11 06 15 19 7 52 11 06 14 21
Feb. 10 5 46 11 19 16 53 6 03 11 19 16 36 6 24 11 19 16 16 6 53 11 19 15 46 7 41 11 19 14 58
20 5 51 11 30 17 10 6 05 11 30 16 56 6 22 11 30 16 39 6 45 11 30 16 16 7 23 11 30 15 39
Mar. 2 5 54 11 40 17 25 6 05 11 40 17 15 6 17 11 40 17 03 6 33 11 40 16 47 6 59 11 40 16 21
12 5 55 11 47 17 40 6 01 11 47 17 34 6 09 11 47 17 27 6 18 11 47 17 17 6 33 11 47 17 03
22 5 55 11 54 17 53 5 56 11 54 17 52 5 59 11 54 17 50 6 01 11 54 17 48 6 05 11 54 17 44
Apr. 1 5 53 12 00 18 07 5 51 12 00 18 09 5 48 12 00 18 13 5 43 12 00 18 18 5 37 12 00 18 25
11 5 52 12 06 18 20 5 46 12 06 18 27 5 37 12 06 18 36 5 26 12 06 18 48 5 08 12 06 19 07
21 5 53 12 13 18 35 5 42 12 13 18 46 5 28 12 13 19 00 5 09 12 13 19 19 4 40 12 13 19 49
May 1 5 55 12 22 18 50 5 40 12 22 19 05 5 21 12 22 19 24 4 56 12 22 19 50 4 14 12 22 20 33
11 5 59 12 32 19 06 5 41 12 32 19 24 5 18 12 32 19 48 4 46 12 32 20 20 3 51 12 32 21 16
21 6 07 12 45 19 23 5 46 12 45 19 44 5 20 12 45 20 10 4 42 12 45 20 48 3 34 12 45 21 57
31 6 18 12 58 19 39 5 55 12 58 20 01 5 27 12 58 20 30 4 45 12 58 21 12 3 28 12 58 22 29
Jun. 10 6 32 13 13 19 54 6 09 13 13 20 17 5 39 13 13 20 46 4 57 13 13 21 28 3 38 13 13 22 47
20 6 47 13 27 20 06 6 25 13 27 20 28 5 57 13 27 20 56 5 17 13 27 21 36 4 03 13 27 22 49
30 7 03 13 39 20 15 6 43 13 39 20 35 6 18 13 39 21 00 5 42 13 39 21 35 4 39 13 39 22 37
Jul. 10 7 19 13 50 20 20 7 02 13 50 20 37 6 41 13 50 20 58 6 11 13 50 21 27 5 21 13 50 22 16
20 7 34 13 58 20 23 7 20 13 58 20 36 7 04 13 58 20 52 6 41 13 58 21 14 6 04 13 58 21 50
30 7 47 14 05 20 22 7 38 14 05 20 31 7 27 14 05 20 42 7 11 14 05 20 58 6 46 14 05 21 21
Aug. 9 7 59 14 10 20 20 7 55 14 10 20 25 7 48 14 10 20 30 7 40 14 10 20 38 7 27 14 10 20 51
19 8 11 14 14 20 16 8 10 14 14 20 17 8 10 14 14 20 17 8 09 14 14 20 18 8 07 14 14 20 19
29 8 22 14 17 20 12 8 26 14 17 20 08 8 30 14 17 20 03 8 37 14 17 19 57 8 46 14 17 19 47
Sep. 8 8 33 14 21 20 09 8 41 14 21 20 00 8 51 14 21 19 50 9 05 14 21 19 36 9 26 14 21 19 14
18 8 45 14 26 20 06 8 57 14 26 19 53 9 13 14 26 19 38 9 34 14 26 19 16 10 07 14 26 18 43
28 8 57 14 31 20 05 9 13 14 31 19 49 9 34 14 31 19 28 10 02 14 31 18 59 10 49 14 31 18 12
Oct. 8 9 10 14 38 20 07 9 30 14 38 19 47 9 55 14 38 19 21 10 30 14 38 18 46 11 31 14 38 17 44
18 9 22 14 46 20 10 9 45 14 46 19 47 10 14 14 46 19 19 10 55 14 46 18 37 12 11 14 46 17 21
28 9 33 14 55 20 16 9 58 14 55 19 51 10 29 14 55 19 20 11 15 14 55 18 35 12 42 14 55 17 07
Nov. 7 9 42 15 02 20 23 10 07 15 02 19 57 10 39 15 02 19 25 11 26 15 02 18 39 12 57 15 02 17 07
17 9 46 15 07 20 29 10 11 15 07 20 04 10 42 15 07 19 33 11 27 15 07 18 48 12 54 15 07 17 21
27 9 44 15 08 20 32 10 07 15 08 20 09 10 36 15 08 19 40 11 17 15 08 18 58 12 33 15 08 17 43
Dec. 7 9 34 15 02 20 29 9 55 15 02 20 08 10 21 15 02 19 43 10 57 15 02 19 06 12 01 15 02 18 03
17 9 15 14 46 20 18 9 33 14 46 20 00 9 56 14 46 19 38 10 27 14 46 19 07 11 19 14 46 18 15
27 8 44 14 19 19 54 8 59 14 19 19 39 9 18 14 19 19 20 9 45 14 19 18 54 10 27 14 19 18 11
37 7 57 13 36 19 14 8 11 13 36 19 01 8 27 13 36 18 44 8 50 13 36 18 22 9 26 13 36 17 46

Mars 1981

20° N 30° N 40° N 50° N 60° N
Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set
Jan. 1 8 00 13 30 19 01 8 19 13 30 18 42 8 42 13 30 18 18 9 15 13 30 17 46 10 11 13 30 16 50
11 7 50 13 23 18 57 8 07 13 23 18 40 8 28 13 23 18 19 8 57 13 23 17 50 9 45 13 23 17 02
21 7 38 13 16 18 53 7 53 13 16 18 38 8 11 13 16 18 20 8 36 13 16 17 55 9 16 13 16 17 15
31 7 26 13 07 18 48 7 38 13 07 18 36 7 54 13 07 18 21 8 14 13 07 18 01 8 47 13 07 17 28
Feb. 10 7 13 12 58 18 44 7 23 12 58 18 34 7 34 12 58 18 22 7 51 12 58 18 06 8 16 12 58 17 41
20 6 59 12 48 18 38 7 06 12 48 18 31 7 14 12 48 18 23 7 26 12 48 18 11 7 44 12 48 17 54
Mar. 2 6 44 12 38 18 33 6 48 12 38 18 28 6 54 12 38 18 23 7 01 12 38 18 16 7 11 12 38 18 06
12 6 29 12 27 18 26 6 30 12 27 18 25 6 32 12 27 18 23 6 35 12 27 18 21 6 39 12 27 18 17
22 6 13 12 16 18 20 6 12 12 16 18 21 6 11 12 16 18 23 6 09 12 16 18 25 6 06 12 16 18 28
Apr. 1 5 57 12 05 18 14 5 54 12 05 18 17 5 49 12 05 18 22 5 43 12 05 18 29 5 33 12 05 18 39
11 5 42 11 54 18 07 5 35 11 54 18 13 5 28 11 54 18 21 5 17 11 54 18 32 5 00 11 54 18 49
21 5 26 11 43 18 00 5 17 11 43 18 09 5 06 11 43 18 20 4 51 11 43 18 35 4 28 11 43 18 59
May 1 5 11 11 32 17 53 5 00 11 32 18 05 4 46 11 32 18 19 4 27 11 32 18 38 3 56 11 32 19 10
11 4 57 11 22 17 47 4 43 11 22 18 00 4 26 11 22 18 17 4 03 11 22 18 41 3 25 11 22 19 20
21 4 43 11 11 17 40 4 27 11 11 17 56 4 07 11 11 18 15 3 40 11 11 18 43 2 55 11 11 19 29
31 4 30 11 01 17 33 4 12 11 01 17 51 3 50 11 01 18 13 3 19 11 01 18 44 2 26 11 01 19 37
Jun. 10 4 17 10 51 17 26 3 58 10 51 17 45 3 34 10 51 18 10 2 59 10 51 18 44 1 59 10 51 19 45
20 4 05 10 42 17 19 3 45 10 42 17 39 3 19 10 42 18 05 2 41 10 42 18 43 1 35 10 42 19 49
30 3 54 10 32 17 11 3 33 10 32 17 32 3 05 10 32 18 00 2 26 10 32 18 39 1 14 10 32 19 51
Jul. 10 3 44 10 23 17 02 3 21 10 23 17 24 2 53 10 23 17 53 2 12 10 23 18 34 0 57 10 23 19 49
20 3 34 10 13 16 53 3 11 10 13 17 15 2 42 10 13 17 44 2 01 10 13 18 25 0 45 10 13 19 42
30 3 24 10 03 16 42 3 01 10 03 17 05 2 33 10 03 17 33 1 52 10 03 18 14 0 36 10 03 19 30
Aug. 9 3 14 9 52 16 31 2 52 9 52 16 53 2 24 9 52 17 20 1 44 9 52 18 00 0 31 9 52 19 13
19 3 04 9 41 16 18 2 43 9 41 16 39 2 16 9 41 17 06 1 38 9 41 17 44 0 30 9 41 18 52
29 2 54 9 29 16 04 2 34 9 29 16 24 2 09 9 29 16 49 1 33 9 29 17 25 0 30 9 29 18 27
Sep. 8 2 43 9 16 15 49 2 25 9 16 16 08 2 01 9 16 16 31 1 28 9 16 17 04 0 31 9 16 18 01
18 2 32 9 03 15 33 2 15 9 03 15 50 1 53 9 03 16 12 1 23 9 03 16 42 0 33 9 03 17 32
28 2 20 8 48 15 16 2 05 8 48 15 31 1 46 8 48 15 51 1 18 8 48 16 17 0 34 8 48 17 02
Oct. 8 2 08 8 33 14 58 1 54 8 33 15 11 1 37 8 33 15 29 1 13 8 33 15 52 0 35 8 33 16 30
18 1 55 8 17 14 39 1 43 8 17 14 51 1 28 8 17 15 05 1 07 8 17 15 26 0 34 8 17 15 58
28 1 41 8 00 14 19 1 31 8 00 14 29 1 18 8 00 14 41 1 01 8 00 14 58 0 33 8 00 15 26
Nov. 7 1 26 7 42 13 58 1 18 7 42 14 06 1 07 7 42 14 16 0 53 7 42 14 30 0 31 7 42 14 52
17 1 10 7 23 13 36 1 04 7 23 13 43 0 56 7 23 13 51 0 44 7 23 14 02 0 27 7 23 14 19
27 0 54 7 04 13 14 0 49 7 04 13 18 0 43 7 04 13 24 0 35 7 04 13 33 0 22 7 04 13 45
Dec. 7 0 36 6 43 12 50 0 33 6 43 12 53 0 29 6 43 12 57 0 23 6 43 13 03 0 15 6 43 13 11
17 0 17 6 22 12 26 0 16 6 22 12 28 0 14 6 22 12 30 0 10 6 22 12 33 0 06 6 22 12 37
27 23 55 5 59 12 01 23 55 5 59 12 01 23 55 5 59 12 02 23 54 5 59 12 02 23 53 5 59 12 03
37 23 33 5 35 11 35 23 34 5 35 11 34 23 35 5 35 11 32 23 37 5 35 11 31 23 39 5 35 11 29

Jupiter 1981

20° N 30° N 40° N 50° N 60° N
Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set
Jan. 1{ 23 52 5 53 11 51 23 54 5 53 11 49 0 00 5 53 11 47 0 03 5 53 11 44 0 07 5 53 11 39
23 56 23 59
11 23 15 5 16 11 14 23 17 5 16 11 12 23 20 5 16 11 09 23 23 5 16 11 06 23 28 5 16 11 01
21 22 37 4 38 10 35 22 39 4 38 10 33 22 42 4 38 10 30 22 45 4 38 10 27 22 50 4 38 10 22
31 21 57 3 59 9 56 21 59 3 59 9 54 22 02 3 59 9 51 22 05 3 59 9 48 22 10 3 59 9 43
Feb. 10 21 16 3 18 9 16 21 18 3 18 9 14 21 21 3 18 9 11 21 24 3 18 9 08 21 28 3 18 9 04
20 20 34 2 36 8 34 20 36 2 36 8 33 20 38 2 36 8 31 20 40 2 36 8 28 20 44 2 36 8 24
Mar. 2 19 51 1 54 7 52 19 52 1 54 7 51 19 54 1 54 7 49 19 56 1 54 7 47 19 59 1 54 7 44
12 19 07 1 10 7 10 19 08 1 10 7 09 19 09 1 10 7 07 19 10 1 10 7 06 19 12 1 10 7 04
22 18 22 0 26 6 26 18 23 0 26 6 26 18 23 0 26 6 25 18 24 0 26 6 24 18 25 0 26 6 23
Apr. 1 17 37 23 38 5 43 17 37 23 38 5 43 17 37 23 38 5 43 17 37 23 38 5 43 17 37 23 38 5 43
11 16 53 22 54 5 00 16 52 22 54 5 00 16 52 22 54 5 01 16 51 22 54 5 01 16 50 22 54 5 02
21 16 09 22 11 4 17 16 08 22 11 4 18 16 07 22 11 4 19 16 06 22 11 4 20 16 04 22 11 4 22
May 1 15 26 21 28 3 35 15 25 21 28 3 36 15 24 21 28 3 37 15 22 21 28 3 39 15 19 21 28 3 42
11 14 44 20 47 2 54 14 43 20 47 2 55 14 41 20 47 2 56 14 39 20 47 2 58 14 36 20 47 3 01
21 14 03 20 06 2 13 14 02 20 06 2 14 14 00 20 06 2 16 13 58 20 06 2 18 13 55 20 06 2 22
31 13 24 19 27 1 34 13 22 19 27 1 35 13 21 19 27 1 36 13 19 19 27 1 38 13 15 19 27 1 42
Jun. 10 12 45 18 48 0 55 12 44 18 48 0 56 12 43 18 48 0 57 12 41 18 48 0 59 12 38 18 48 1 02
20 12 08 18 11 0 17 12 08 18 11 0 18 12 06 18 11 0 19 12 05 18 11 0 21 12 02 18 11 0 23
30 11 32 17 35 23 37 11 32 17 35 23 37 11 31 17 35 23 38 11 30 17 35 23 39 11 28 17 35 23 41
Jul. 10 10 58 16 59 23 00 10 57 16 59 23 00 10 57 16 59 23 01 10 57 16 59 23 01 10 56 16 59 23 02
20 10 24 16 24 22 25 10 24 16 24 22 25 10 24 16 24 22 24 10 25 16 24 22 24 10 25 16 24 22 23
30 9 51 15 50 21 50 9 51 15 50 21 49 9 52 15 50 21 48 9 53 15 50 21 47 9 55 15 50 21 45
Aug. 9 9 18 15 17 21 16 9 19 15 17 21 14 9 21 15 17 21 13 9 23 15 17 21 10 9 26 15 17 21 07
19 8 46 14 44 20 42 8 48 14 44 20 40 8 51 14 44 20 37 8 54 14 44 20 34 8 58 14 44 20 29
29 8 15 14 12 20 08 8 18 14 12 20 06 8 21 14 12 20 02 8 25 14 12 19 58 8 31 14 12 19 52
Sep. 8 7 44 13 40 19 35 7 47 13 40 19 32 7 51 13 40 19 28 7 57 13 40 19 22 8 05 13 40 19 14
18 7 14 13 08 19 02 7 18 13 08 18 58 7 22 13 08 18 53 7 29 13 08 18 47 7 39 13 08 18 37
28 6 43 12 36 18 30 6 48 12 36 18 25 6 54 12 36 18 19 7 01 12 36 18 11 7 13 12 36 18 00
Oct. 8 6 13 12 05 17 57 6 19 12 05 17 52 6 25 12 05 17 45 6 34 12 05 17 36 6 47 12 05 17 22
18 5 43 11 34 17 25 5 49 11 34 17 18 5 57 11 34 17 11 6 07 11 34 17 01 6 22 11 34 16 45
28 5 13 11 03 16 52 5 20 11 03 16 45 5 28 11 03 16 37 5 39 11 03 16 26 5 57 11 03 16 08
Nov. 7 4 43 10 31 16 20 4 50 10 31 16 12 5 00 10 31 16 03 5 12 10 31 15 51 5 31 10 31 15 31
17 4 12 10 00 15 47 4 21 10 00 15 39 4 31 10 00 15 29 4 44 10 00 15 15 5 05 10 00 14 55
27 3 42 9 28 15 14 3 51 9 28 15 06 4 01 9 28 14 55 4 16 9 28 14 40 4 38 9 28 14 18
Dec. 7 3 11 8 56 14 41 3 20 8 56 14 32 3 32 8 56 14 20 3 47 8 56 14 05 4 11 8 56 13 41
17 2 39 8 24 14 08 2 49 8 24 13 58 3 01 8 24 13 46 3 18 8 24 13 29 3 43 8 24 13 04
27 2 07 7 51 13 34 2 17 7 51 13 24 2 30 7 51 13 11 2 47 7 51 12 54 3 14 7 51 12 27
37 1 34 7 17 13 00 1 45 7 17 12 49 1 58 7 17 12 36 2 16 7 17 12 18 2 44 7 17 11 49

Saturn 1981

20° N 30° N 40° N 50° N 60° N
Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set
Jan. 1{ 23 52 5 55 11 54 23 53 5 55 11 53 23 55 5 55 11 52 0 00 5 55 11 50 0 02 5 55 11 47
23 56 23 59
11 23 14 5 17 11 16 23 15 5 17 11 14 23 16 5 17 11 13 23 18 5 17 11 11 23 20 5 17 11 09
21 22 34 4 37 10 37 22 36 4 37 10 35 22 37 4 37 10 34 22 39 4 37 10 32 22 41 4 37 10 30
31 21 54 3 58 9 57 21 56 3 58 9 56 21 57 3 58 9 55 21 58 3 58 9 53 22 01 3 58 9 51
Feb. 10 21 14 3 17 9 17 21 15 3 17 9 16 21 16 3 17 9 15 21 17 3 17 9 13 21 19 3 17 9 11
20 20 33 2 36 8 36 20 33 2 36 8 35 20 34 2 36 8 34 20 35 2 36 8 33 20 37 2 36 8 32
Mar. 2 19 51 1 55 7 55 19 51 1 55 7 54 19 52 1 55 7 54 19 52 1 55 7 53 19 53 1 55 7 52
12 19 08 1 13 7 14 19 09 1 13 7 13 19 09 1 13 7 13 19 09 1 13 7 13 19 09 1 13 7 13
22 18 26 0 31 6 32 18 26 0 31 6 32 18 26 0 31 6 32 18 26 0 31 6 32 18 25 0 31 6 33
Apr. 1 17 43 23 45 5 50 17 43 23 45 5 51 17 43 23 45 5 51 17 42 23 45 5 52 17 41 23 45 5 53
11 17 01 23 03 5 09 17 00 23 03 5 09 17 00 23 03 5 10 16 58 23 03 5 11 16 57 23 03 5 13
21 16 19 22 21 4 27 16 18 22 21 4 28 16 17 22 21 4 29 16 15 22 21 4 30 16 13 22 21 4 33
May 1 15 37 21 39 3 46 15 36 21 39 3 47 15 35 21 39 3 48 15 33 21 39 3 50 15 30 21 39 3 53
11 14 55 20 58 3 05 14 54 20 58 3 06 14 53 20 58 3 07 14 51 20 58 3 09 14 48 20 58 3 13
21 14 15 20 18 2 25 14 14 20 18 2 26 14 12 20 18 2 27 14 10 20 18 2 29 14 07 20 18 2 33
31 13 35 19 38 1 45 13 34 19 38 1 46 13 32 19 38 1 47 13 30 19 38 1 49 13 26 19 38 1 53
Jun. 10 12 55 18 58 1 05 12 54 18 58 1 06 12 53 18 58 1 08 12 51 18 58 1 10 12 47 18 58 1 13
20 12 17 18 20 0 26 12 16 18 20 0 27 12 14 18 20 0 29 12 12 18 20 0 31 12 09 18 20 0 34
30 11 39 17 42 23 44 11 38 17 42 23 45 11 37 17 42 23 46 11 35 17 42 23 48 11 32 17 42 23 51
Jul. 10 11 02 17 04 23 06 11 01 17 04 23 07 11 00 17 04 23 08 10 59 17 04 23 09 10 56 17 04 23 11
20 10 25 16 27 22 29 10 25 16 27 22 29 10 24 16 27 22 30 10 23 16 27 22 31 10 21 16 27 22 32
30 9 49 15 50 21 52 9 49 15 50 21 52 9 48 15 50 21 52 9 48 15 50 21 53 9 47 15 50 21 54
Aug. 9 9 13 15 14 21 15 9 13 15 14 21 15 9 14 15 14 21 15 9 14 15 14 21 15 9 13 15 14 21 15
19 8 38 14 38 20 39 8 39 14 38 20 38 8 39 14 38 20 38 8 40 14 38 20 37 8 40 14 38 20 36
29 8 03 14 03 20 03 8 04 14 03 20 02 8 05 14 03 20 01 8 06 14 03 20 00 8 08 14 03 19 58
Sep. 8 7 29 13 28 19 27 7 30 13 28 19 26 7 31 13 28 19 24 7 33 13 28 19 22 7 36 13 28 19 19
18 6 54 12 53 18 51 6 56 12 53 18 49 6 58 12 53 18 48 7 01 12 53 18 45 7 04 12 53 18 41
28 6 20 12 18 18 16 6 22 12 18 18 14 6 25 12 18 18 11 6 28 12 18 18 08 6 33 12 18 18 03
Oct. 8 5 46 11 43 17 40 5 49 11 43 17 38 5 52 11 43 17 35 5 55 11 43 17 31 6 01 11 43 17 25
18 5 12 11 08 17 05 5 15 11 08 17 02 5 18 11 08 16 58 5 23 11 08 16 54 5 30 11 08 16 47
28 4 38 10 33 16 29 4 41 10 33 16 26 4 45 10 33 16 22 4 50 10 33 16 17 4 58 10 33 16 09
Nov. 7 4 03 9 58 15 53 4 07 9 58 15 50 4 11 9 58 15 45 4 17 9 58 15 40 4 26 9 58 15 31
17 3 29 9 23 15 18 3 33 9 23 15 14 3 37 9 23 15 09 3 44 9 23 15 02 3 53 9 23 14 53
27 2 54 8 48 14 42 2 58 8 48 14 37 3 03 8 48 14 32 3 10 8 48 14 25 3 20 8 48 14 15
Dec. 7 2 18 8 12 14 05 2 23 8 12 14 01 2 28 8 12 13 55 2 36 8 12 13 48 2 47 8 12 13 37
17 1 42 7 35 13 29 1 47 7 35 13 24 1 53 7 35 13 18 2 01 7 35 13 10 2 12 7 35 12 59
27 1 06 6 59 12 51 1 11 6 59 12 46 1 17 6 59 12 40 1 25 6 59 12 32 1 37 6 59 12 20
37 0 29 6 21 12 14 0 34 6 21 12 09 0 40 6 21 12 03 0 48 6 21 11 54 1 01 6 21 11 42

Uranus 1981

20° N 30° N 40° N 50° N 60° N
Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set
Jan. 1 3 29 9 01 14 33 3 46 9 01 14 15 4 08 9 01 13 54 4 38 9 01 13 24 5 27 9 01 12 34
11 2 52 8 23 13 55 3 09 8 23 13 38 3 31 8 23 13 16 4 01 8 23 12 46 4 51 8 23 11 56
21 2 14 7 46 13 17 2 32 7 46 13 00 2 53 7 46 12 38 3 24 7 46 12 08 4 14 7 46 11 17
31 1 36 7 08 12 39 1 54 7 08 12 22 2 16 7 08 12 00 2 46 7 08 11 29 3 37 7 08 10 38
Feb. 10 0 58 6 29 12 01 1 16 6 29 11 43 1 38 6 29 11 21 2 08 6 29 10 51 2 59 6 29 10 00
20 0 19 5 51 11 22 0 37 5 51 11 04 0 59 5 51 10 42 1 30 5 51 10 12 2 21 5 51 9 21
Mar. 2 23 37 5 12 10 43 23 54 5 12 10 25 0 20 5 12 10 03 0 51 5 12 9 33 1 42 5 12 8 41
12 22 57 4 32 10 04 23 15 4 32 9 46 23 37 4 32 9 24 0 11 4 32 8 53 1 03 4 32 8 02
22 22 17 3 53 9 24 22 35 3 53 9 06 22 57 3 53 8 44 23 28 3 53 8 14 0 23 3 53 7 23
Apr. 1 21 37 3 13 8 44 21 55 3 13 8 26 22 17 3 13 8 04 22 47 3 13 7 34 23 38 3 13 6 43
11 20 57 2 32 8 04 21 14 2 32 7 46 21 36 2 32 7 24 22 06 2 32 6 54 22 57 2 32 6 03
21 20 16 1 51 7 23 20 33 1 51 7 06 20 55 1 51 6 44 21 25 1 51 6 13 22 16 1 51 5 23
May 1 19 35 1 11 6 42 19 52 1 11 6 25 20 14 1 11 6 03 20 44 1 11 5 33 21 34 1 11 4 43
11 18 54 0 30 6 02 19 11 0 30 5 44 19 33 0 30 5 23 20 03 0 30 4 53 20 52 0 30 4 03
21 18 13 23 45 5 21 18 30 23 45 5 03 18 51 23 45 4 42 19 21 23 45 4 12 20 10 23 45 3 23
31 17 31 23 04 4 40 17 49 23 04 4 23 18 10 23 04 4 01 18 39 23 04 3 32 19 29 23 04 2 43
Jun. 10 16 50 22 23 3 59 17 07 22 23 3 42 17 29 22 23 3 21 17 58 22 23 2 51 18 47 22 23 2 02
20 16 09 21 42 3 18 16 26 21 42 3 01 16 48 21 42 2 40 17 17 21 42 2 11 18 05 21 42 1 22
30 15 29 21 01 2 38 15 46 21 01 2 21 16 07 21 01 2 00 16 36 21 01 1 31 17 24 21 01 0 42
Jul. 10{ 14 48 20 21 1 58 15 05 20 21 1 41 15 26 20 21 1 20 15 55 20 21 0 51 16 43 20 21 0 03
23 59
20 14 08 19 41 1 18 14 25 19 41 1 01 14 46 19 41 0 40 15 15 19 41 0 11 16 03 19 41 23 19
30{ 13 29 19 01 0 38 13 45 19 01 0 21 14 06 19 01 0 00 14 35 19 01 23 27 15 23 19 01 22 40
23 56
Aug. 9 12 49 18 22 23 55 13 06 18 22 23 38 13 27 18 22 23 17 13 56 18 22 22 48 14 44 18 22 22 00
19 12 10 17 43 23 16 12 27 17 43 22 59 12 48 17 43 22 38 13 17 17 43 22 09 14 05 17 43 21 21
29 11 32 17 04 22 37 11 49 17 04 22 20 12 10 17 04 21 59 12 39 17 04 21 30 13 27 17 04 20 42
Sep. 8 10 54 16 26 21 59 11 11 16 26 21 42 11 32 16 26 21 21 12 01 16 26 20 51 12 49 16 26 20 03
18 10 16 15 48 21 21 10 33 15 48 21 04 10 54 15 48 20 42 11 23 15 48 20 13 12 12 15 48 19 24
28 9 38 15 11 20 43 9 55 15 11 20 26 10 17 15 11 20 04 10 46 15 11 19 35 11 35 15 11 18 46
Oct. 8 9 01 14 33 20 05 9 18 14 33 19 48 9 40 14 33 19 27 10 10 14 33 18 57 10 59 14 33 18 07
18 8 24 13 56 19 28 8 41 13 56 19 11 9 03 13 56 18 49 9 33 13 56 18 19 10 23 13 56 17 29
28 7 47 13 19 18 51 8 05 13 19 18 33 8 27 13 19 18 11 8 57 13 19 17 41 9 47 13 19 16 51
Nov. 7 7 11 12 42 18 14 7 28 12 42 17 56 7 50 12 42 17 34 8 21 12 42 17 04 9 11 12 42 16 13
17 6 34 12 05 17 37 6 52 12 05 17 19 7 14 12 05 16 57 7 45 12 05 16 26 8 36 12 05 15 35
27 5 57 11 29 17 00 6 15 11 29 16 42 6 38 11 29 16 19 7 09 11 29 15 48 8 01 11 29 14 57
Dec. 7 5 21 10 52 16 23 5 39 10 52 16 05 6 01 10 52 15 42 6 33 10 52 15 11 7 25 10 52 14 19
17 4 44 10 15 15 46 5 02 10 15 15 27 5 25 10 15 15 05 5 56 10 15 14 33 6 49 10 15 13 41
27 4 07 9 38 15 08 4 26 9 38 14 50 4 48 9 38 14 27 5 20 9 38 13 56 6 14 9 38 13 02
37 3 31 9 01 14 31 3 49 9 01 14 13 4 12 9 01 13 50 4 44 9 01 13 18 5 37 9 01 12 24

Neptune 1981

20° N 30° N 40° N 50° N 60° N
Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set Rise Transit Set
Jan. 1 5 18 10 46 16 14 5 37 10 46 15 54 6 02 10 46 15 29 6 37 10 46 14 54 7 37 10 46 13 55
11 4 40 10 08 15 36 5 00 10 08 15 16 5 24 10 08 14 51 5 59 10 08 14 16 6 59 10 08 13 17
21 4 02 9 30 14 58 4 22 9 30 14 38 4 46 9 30 14 13 5 21 9 30 13 38 6 21 9 30 12 39
31 3 24 8 52 14 20 3 44 8 52 14 00 4 08 8 52 13 35 4 43 8 52 13 00 5 43 8 52 12 00
Feb. 10 2 46 8 14 13 42 3 06 8 14 13 22 3 30 8 14 12 57 4 05 8 14 12 22 5 05 8 14 11 22
20 2 07 7 35 13 03 2 27 7 35 12 43 2 52 7 35 12 19 3 27 7 35 11 44 4 27 7 35 10 44
Mar. 2 1 29 6 57 12 25 1 49 6 57 12 05 2 13 6 57 11 40 2 48 6 57 11 05 3 48 6 57 10 05
12 0 50 6 18 11 46 1 10 6 18 11 26 1 34 6 18 11 01 2 09 6 18 10 26 3 09 6 18 9 26
22 0 11 5 39 11 07 0 31 5 39 10 47 0 55 5 39 10 22 1 30 5 39 9 47 2 30 5 39 8 47
Apr. 1 23 28 4 59 10 27 23 47 4 59 10 07 0 16 4 59 9 43 0 51 4 59 9 08 1 51 4 59 8 08
11 22 48 4 20 9 48 23 08 4 20 9 28 23 33 4 20 9 03 0 11 4 20 8 28 1 11 4 20 7 29
21 22 08 3 40 9 08 22 28 3 40 8 48 22 53 3 40 8 23 23 27 3 40 7 49 0 31 3 40 6 49
May 1 21 28 3 00 8 28 21 48 3 00 8 08 22 13 3 00 7 44 22 47 3 00 7 09 23 47 3 00 6 09
11 20 48 2 20 7 48 21 08 2 20 7 28 21 32 2 20 7 03 22 07 2 20 6 29 23 07 2 20 5 29
21 20 08 1 40 7 08 20 27 1 40 6 48 20 52 1 40 6 23 21 27 1 40 5 48 22 26 1 40 4 49
31 19 27 0 59 6 27 19 47 0 59 6 08 20 12 0 59 5 43 20 46 0 59 5 08 21 46 0 59 4 09
Jun. 10 18 47 0 19 5 47 19 06 0 19 5 27 19 31 0 19 5 02 20 06 0 19 4 28 21 05 0 19 3 28
20 18 06 23 34 5 06 18 26 23 34 4 47 18 51 23 34 4 22 19 25 23 34 3 47 20 25 23 34 2 48
30 17 26 22 54 4 26 17 46 22 54 4 06 18 10 22 54 3 42 18 45 22 54 3 07 19 44 22 54 2 08
Jul. 10 16 45 22 13 3 46 17 05 22 13 3 26 17 30 22 13 3 01 18 04 22 13 2 27 19 04 22 13 1 27
20 16 05 21 33 3 05 16 25 21 33 2 46 16 49 21 33 2 21 17 24 21 33 1 46 18 23 21 33 0 47
30 15 25 20 53 2 25 15 45 20 53 2 06 16 09 20 53 1 41 16 44 20 53 1 06 17 43 20 53 0 07
Aug. 9 14 45 20 13 1 45 15 05 20 13 1 26 15 29 20 13 1 01 16 04 20 13 0 26 17 03 20 13 23 23
19 14 05 19 33 1 05 14 25 19 33 0 46 14 50 19 33 0 21 15 24 19 33 23 43 16 23 19 33 22 43
29 13 26 18 54 0 26 13 45 18 54 0 06 14 10 18 54 23 38 14 45 18 54 23 03 15 44 18 54 22 04
Sep. 8 12 46 18 15 23 43 13 06 18 15 23 23 13 31 18 15 22 58 14 05 18 15 22 24 15 05 18 15 21 24
18 12 07 17 35 23 04 12 27 17 35 22 44 12 52 17 35 22 19 13 26 17 35 21 45 14 26 17 35 20 45
28 11 29 16 57 22 25 11 48 16 57 22 05 12 13 16 57 21 40 12 48 16 57 21 06 13 47 16 57 20 06
Oct. 8 10 50 16 18 21 46 11 10 16 18 21 26 11 34 16 18 21 02 12 09 16 18 20 27 13 09 16 18 19 27
18 10 12 15 40 21 08 10 31 15 40 20 48 10 56 15 40 20 23 11 31 15 40 19 48 12 30 15 40 18 49
28 9 33 15 01 20 29 9 53 15 01 20 10 10 18 15 01 19 45 10 53 15 01 19 10 11 52 15 01 18 10
Nov. 7 8 55 14 23 19 51 9 15 14 23 19 31 9 40 14 23 19 07 10 15 14 23 18 32 11 15 14 23 17 32
17 8 17 13 45 19 13 8 37 13 45 18 53 9 02 13 45 18 29 9 37 13 45 17 54 10 37 13 45 16 54
27 7 40 13 08 18 35 8 00 13 08 18 16 8 24 13 08 17 51 8 59 13 08 17 16 9 59 13 08 16 16
Dec. 7 7 02 12 30 17 58 7 22 12 30 17 38 7 47 12 30 17 13 8 22 12 30 16 38 9 22 12 30 15 38
17 6 24 11 52 17 20 6 44 11 52 17 00 7 09 11 52 16 35 7 44 11 52 16 00 8 44 11 52 15 00
27 5 47 11 14 16 42 6 07 11 14 16 22 6 31 11 14 15 57 7 06 11 14 15 22 8 07 11 14 14 22
37 5 09 10 37 16 04 5 29 10 37 15 45 5 54 10 37 15 20 6 29 10 37 14 45 7 29 10 37 13 44

Planetary phenomena 1981

Here, stations are in ecliptic longitude, not in right ascension.

Mercury · Venus · Superior planets · Apsides of the planets

Mercury 1981

dhMagdhMagdhMag
Greatest E elongation Feb. 20118°−0.5May 270423°+0.5Sep.231626°+0.1
Stationary Feb. 812Jun. 912Oct. 609
Inferior conjunction Feb.1711Jun.2201Oct.1810
Stationary Mar. 207Jul. 313Oct.2709
Greatest W elongation Mar.160128°+0.2Jul.141321°+0.4Nov. 30419°−0.5
Superior conjunction Apr.2716Aug.1006Dec.1015

Venus 1981

dhMag
Superior conjunctionApr. 709
Greatest E elongationNov.1102 47°−4.4
StationaryDec.3119

Superior planets 1981

Conjunction
with the Sun
Stationary Opposition Stationary
dhdhdhMagdh
MarsApr. 213
JupiterOct.1403 Jan.2416 Mar.2604−2.5 May 2716
SaturnOct. 604 Jan.1814 Mar.2704+0.4 Jun. 502
UranusNov.2221 Mar. 501 May 1907+5.4 Aug. 410
NeptuneDec.1615 Mar.2706 Jun.1415+7.9 Sep. 311

Planets in perihelion and in aphelion 1981

PerihelionAphelion
Distance from SunDistance from Sun
DateAUmill. kmDateAUmill. km
Mercury Feb. 50.3075046.002 Mar.210.4667069.817
May 40.3075046.001 Jun.170.4667069.817
Jul.310.3075046.002 Sep.130.4666969.817
Oct.270.3075046.002 Dec.100.4666969.817

Venus Feb.240.72824108.944
Jun.170.71842107.474 Oct. 70.72824108.943

Earth Jan. 20.98332147.102 Jul. 31.01675152.103

Mars Feb. 21.38126206.634

Jupiter Jul.285.45352815.835

Saturn: None this year

Uranus: None this year

Magnitudes of the planets · Magnitudes, phases and diameters of the planets

Magnitudes of the planets in 1981

Magnitudes of the planets in 1981

The colours of the planets are those from Per Lilje (editor): Almanakk for Norge 2020

Magnitudes, phases and diameters of the planets in 1981

At 0:00 Universal Time

MercuryVenusMarsJupiterSaturn
MagPhaseDiamMagPhaseDiamMagDiamMagDiamMagDiam
Jan. 0−1.21.00 5−3.90.92 11+1.2 4−2.0 37+0.8 18
5−1.11.00 5−3.90.93 11+1.2 4−2.1 37+0.8 18
10−1.10.98 5−3.90.94 11+1.2 4−2.1 38+0.8 18
15−1.00.96 5−3.90.94 11+1.2 4−2.1 39+0.8 18
20−1.00.91 5−3.90.95 11+1.2 4−2.2 39+0.7 18
25−0.90.81 6−3.90.96 11+1.2 4−2.2 40+0.7 18
30−0.80.66 6−3.90.96 10+1.2 4−2.2 40+0.7 19
Feb. 4−0.30.44 7−3.90.97 10+1.2 4−2.3 41+0.7 19
9+0.90.21 9−3.90.97 10+1.2 4−2.3 41+0.6 19
14+3.20.04 10−3.90.98 10+1.1 4−2.3 42+0.6 19
19+4.30.01 11−3.90.98 10+1.1 4−2.4 42+0.6 19
24+2.30.10 10−3.90.98 10+1.1 4−2.4 43+0.6 19
Mar. 1+1.20.23 10−3.90.99 10+1.1 4−2.4 43+0.5 19
6+0.60.35 9−3.90.99 10+1.1 4−2.4 44+0.5 19
11+0.40.46 8−3.90.99 10+1.1 4−2.4 44+0.5 19
16+0.20.54 7−3.91.00 10+1.1 4−2.5 44+0.5 19
21+0.10.62 7−3.91.00 10+1.1 4−2.5 44+0.5 19
260.00.68 6−3.91.00 10+1.1 4−2.5 44+0.4 19
31−0.10.73 6−3.91.00 10+1.1 4−2.5 44+0.5 19
Apr. 5−0.30.79 61.00 10+1.1 4−2.5 44+0.5 19
10−0.50.84 51.00 10+1.2 4−2.4 44+0.5 19
15−0.80.90 5−3.91.00 10+1.2 4−2.4 44+0.6 19
20−1.20.95 5−3.91.00 10+1.2 4−2.4 43+0.6 19
25−1.90.99 5−3.91.00 10+1.2 4−2.4 43+0.6 19
30−2.00.99 5−3.90.99 10+1.3 4−2.4 43+0.7 19
May 5−1.50.94 5−3.90.99 10+1.3 4−2.3 42+0.7 19
10−1.10.82 6−3.90.99 10+1.3 4−2.3 42+0.7 19
15−0.60.68 6−3.90.99 10+1.3 4−2.3 41+0.8 19
20−0.20.54 7−3.90.98 10+1.3 4−2.2 41+0.8 19
25+0.30.42 8−3.90.98 10+1.4 4−2.2 40+0.8 18
30+0.80.31 9−3.90.97 10+1.4 4−2.2 39+0.9 18
Jun. 4+1.40.21 10−3.90.96 10+1.4 4−2.1 39+0.9 18
9+2.30.12 11−3.90.96 10+1.4 4−2.1 38+0.9 18
14+3.40.05 12−3.90.95 10+1.4 4−2.1 38+0.9 18
19+4.80.01 12−3.90.94 11+1.5 4−2.0 37+0.9 18
24+4.90.01 12−3.90.93 11+1.5 4−2.0 37+1.0 18
29+3.40.05 11−3.90.93 11+1.5 4−2.0 36+1.0 17
Jul. 4+2.20.13 10−3.90.92 11+1.5 4−2.0 36+1.0 17
9+1.20.23 9−3.90.91 11+1.5 4−1.9 35+1.0 17
14+0.50.36 8−3.90.89 11+1.5 4−1.9 35+1.0 17
19−0.20.51 7−3.90.88 12+1.6 4−1.9 34+1.0 17
24−0.70.67 6−3.90.87 12+1.6 4−1.8 34+1.0 17
29−1.20.83 6−3.90.86 12+1.6 4−1.8 33+1.0 17
Aug. 3−1.50.94 5−3.90.85 12+1.6 4−1.8 33+1.0 16
8−1.90.99 5−3.90.83 13+1.6 4−1.8 33+1.0 16
13−1.70.99 5−3.90.82 13+1.6 4−1.8 32+1.0 16
18−1.10.96 5−3.90.81 13+1.6 4−1.7 32+1.0 16
23−0.70.93 5−4.00.79 13+1.6 4−1.7 32+1.0 16
28−0.50.88 5−4.00.78 14+1.6 4−1.7 32+1.0 16
Sep. 2−0.30.84 5−4.00.76 14+1.6 4−1.7 31+1.0 16
7−0.10.79 6−4.00.75 15+1.6 4−1.7 31+0.9 16
120.00.74 6−4.10.73 15+1.6 4−1.7 31+0.9 16
170.00.69 6−4.10.72 16+1.6 4−1.7 31+0.9 16
22+0.10.62 7−4.10.70 16+1.6 4−1.7 31+0.9 16
27+0.20.53 7−4.10.68 17+1.6 4−1.7 31+0.8 16
Oct. 2+0.40.41 8−4.20.67 17+1.6 5−1.7 31+0.8 16
7+0.90.27 9−4.20.65 18+1.5 5−1.7 31+0.8 16
12+2.00.12 10−4.30.63 19+1.5 5−1.7 31+0.8 16
17+4.60.01 10−4.30.61 20+1.5 5−1.7 31+0.8 16
22+3.10.05 10−4.30.59 21+1.5 5−1.7 31+0.8 16
27+0.70.24 8−4.40.57 22+1.4 5−1.7 31+0.8 16
Nov. 1−0.30.48 7−4.40.54 23+1.4 5−1.7 31+0.8 16
6−0.70.68 6−4.50.52 24+1.4 5−1.7 31+0.8 16
11−0.80.82 6−4.50.50 25+1.3 5−1.7 31+0.8 16
16−0.80.90 5−4.60.47 27+1.3 5−1.7 31+0.8 16
21−0.80.95 5−4.60.44 28+1.2 6−1.7 31+0.8 16
26−0.90.97 5−4.70.41 30+1.2 6−1.7 32+0.8 16
Dec. 1−0.90.99 5−4.80.38 32+1.1 6−1.7 32+0.8 16
6−1.11.00 5−4.80.34 35+1.1 6−1.7 32+0.8 16
11−1.21.00 5−4.80.31 38+1.0 6−1.8 32+0.8 16
16−1.01.00 5−4.90.27 41+1.0 6−1.8 33+0.8 17
21−0.90.99 5−4.90.22 44+0.9 7−1.8 33+0.8 17
26−0.90.97 5−4.90.18 48+0.8 7−1.8 33+0.7 17
31−0.80.93 5−4.80.13 52+0.7 7−1.8 34+0.7 17
36−0.80.88 5−4.70.09 56+0.7 7−1.9 34+0.7 17

Declinations of the Sun, Moon and planets in 1981

Sun and planets (diagram) · Moon (diagram) · Sun · Moon · Mercury · Venus · Mars · Jupiter · Saturn · Uranus · Neptune

Declinations of the Sun and planets in 1981

Declinations of the Sun and planets in 1981

The colours of the planets are those from Per Lilje (editor): Almanakk for Norge 2020

Declination of the Moon in 1981

moon-declination-1981-1.svg moon-declination-1981-2.svg

Declination of the Sun in 1981

At 0:00 Universal Time

Day Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Day
0 −23.1 −17.5 −8.1 +4.0 +14.7 +21.9 +23.2 +18.3 +8.8 −2.7 −14.0 −21.6 0
1 −23.0 −17.2 −7.7 +4.4 +15.0 +22.0 +23.1 +18.1 +8.4 −3.1 −14.3 −21.8 1
2 −22.9 −16.9 −7.3 +4.8 +15.3 +22.1 +23.1 +17.8 +8.0 −3.5 −14.7 −21.9 2
3 −22.8 −16.6 −6.9 +5.2 +15.6 +22.3 +23.0 +17.6 +7.7 −3.8 −15.0 −22.1 3
4 −22.8 −16.3 −6.6 +5.6 +15.9 +22.4 +22.9 +17.3 +7.3 −4.2 −15.3 −22.2 4
5 −22.6 −16.0 −6.2 +6.0 +16.2 +22.5 +22.8 +17.1 +6.9 −4.6 −15.6 −22.3 5
6 −22.5 −15.7 −5.8 +6.3 +16.4 +22.6 +22.7 +16.8 +6.6 −5.0 −15.9 −22.5 6
7 −22.4 −15.4 −5.4 +6.7 +16.7 +22.7 +22.6 +16.5 +6.2 −5.4 −16.2 −22.6 7
8 −22.3 −15.1 −5.0 +7.1 +17.0 +22.8 +22.5 +16.2 +5.8 −5.8 −16.5 −22.7 8
9 −22.1 −14.8 −4.6 +7.5 +17.3 +22.9 +22.4 +15.9 +5.4 −6.1 −16.8 −22.8 9
10 −22.0 −14.4 −4.2 +7.8 +17.5 +23.0 +22.3 +15.7 +5.1 −6.5 −17.1 −22.9 10
11 −21.8 −14.1 −3.8 +8.2 +17.8 +23.1 +22.1 +15.4 +4.7 −6.9 −17.3 −23.0 11
12 −21.7 −13.8 −3.4 +8.6 +18.1 +23.1 +22.0 +15.1 +4.3 −7.3 −17.6 −23.1 12
13 −21.5 −13.5 −3.0 +8.9 +18.3 +23.2 +21.9 +14.8 +3.9 −7.7 −17.9 −23.1 13
14 −21.4 −13.1 −2.7 +9.3 +18.6 +23.2 +21.7 +14.5 +3.5 −8.0 −18.1 −23.2 14
15 −21.2 −12.8 −2.3 +9.7 +18.8 +23.3 +21.6 +14.2 +3.1 −8.4 −18.4 −23.3 15
16 −21.0 −12.4 −1.9 +10.0 +19.0 +23.3 +21.4 +13.8 +2.8 −8.8 −18.7 −23.3 16
17 −20.8 −12.1 −1.5 +10.4 +19.3 +23.4 +21.3 +13.5 +2.4 −9.1 −18.9 −23.3 17
18 −20.6 −11.7 −1.1 +10.7 +19.5 +23.4 +21.1 +13.2 +2.0 −9.5 −19.2 −23.4 18
19 −20.4 −11.4 −0.7 +11.1 +19.7 +23.4 +20.9 +12.9 +1.6 −9.9 −19.4 −23.4 19
20 −20.2 −11.0 −0.3 +11.4 +19.9 +23.4 +20.7 +12.6 +1.2 −10.2 −19.6 −23.4 20
21 −20.0 −10.7 +0.1 +11.8 +20.1 +23.4 +20.5 +12.2 +0.8 −10.6 −19.8 −23.4 21
22 −19.7 −10.3 +0.5 +12.1 +20.3 +23.4 +20.3 +11.9 +0.4 −10.9 −20.1 −23.4 22
23 −19.5 −9.9 +0.9 +12.4 +20.5 +23.4 +20.1 +11.6 +0.1 −11.3 −20.3 −23.4 23
24 −19.3 −9.6 +1.3 +12.8 +20.7 +23.4 +19.9 +11.2 −0.3 −11.6 −20.5 −23.4 24
25 −19.0 −9.2 +1.7 +13.1 +20.9 +23.4 +19.7 +10.9 −0.7 −12.0 −20.7 −23.4 25
26 −18.8 −8.8 +2.1 +13.4 +21.1 +23.4 +19.5 +10.5 −1.1 −12.3 −20.9 −23.4 26
27 −18.5 −8.5 +2.5 +13.7 +21.2 +23.3 +19.3 +10.2 −1.5 −12.7 −21.1 −23.3 27
28 −18.3 −8.1 +2.9 +14.1 +21.4 +23.3 +19.1 +9.8 −1.9 −13.0 −21.3 −23.3 28
29 −18.0 −7.7 +3.3 +14.4 +21.6 +23.2 +18.8 +9.5 −2.3 −13.3 −21.4 −23.2 29
30 −17.7 −7.3 +3.6 +14.7 +21.7 +23.2 +18.6 +9.1 −2.7 −13.7 −21.6 −23.2 30
31 −17.5 −6.9 +4.0 +15.0 +21.9 +23.1 +18.3 +8.8 −3.1 −14.0 −21.8 −23.1 31
32 −17.2 −6.6 +4.4 +15.3 +22.0 +23.1 +18.1 +8.4 −3.5 −14.3 −21.9 −23.0 32

Declination of the Moon in 1981

At 0:00 Universal Time

Day Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Day
0 −6.1 −17.7 −19.0 −18.5 −9.9 +8.1 +18.5 +19.2 +6.1 −5.9 −18.8 −21.9 0
1 −9.9 −19.5 −20.2 −15.9 −5.2 +12.9 +20.5 +16.5 +1.6 −10.0 −20.6 −21.2 1
2 −13.3 −20.3 −20.4 −12.3 0.0 +16.8 +21.1 +13.0 −2.8 −13.7 −21.6 −19.5 2
3 −16.3 −20.1 −19.5 −7.9 +5.3 +19.5 +20.3 +8.9 −7.1 −16.8 −21.6 −16.8 3
4 −18.5 −18.7 −17.4 −2.8 +10.3 +20.9 +18.3 +4.6 −11.1 −19.2 −20.6 −13.3 4
5 −19.9 −16.3 −14.4 +2.4 +14.7 +20.9 +15.2 +0.1 −14.5 −20.8 −18.6 −9.1 5
6 −20.4 −12.8 −10.4 +7.6 +18.1 +19.5 +11.5 −4.3 −17.4 −21.4 −15.6 −4.3 6
7 −19.7 −8.6 −5.7 +12.3 +20.2 +17.0 +7.3 −8.4 −19.6 −21.1 −11.8 +0.8 7
8 −18.0 −3.9 −0.6 +16.2 +20.9 +13.8 +3.0 −12.2 −20.9 −19.8 −7.3 +6.1 8
9 −15.2 +1.1 +4.6 +18.9 +20.3 +9.9 −1.4 −15.4 −21.2 −17.4 −2.2 +11.2 9
10 −11.6 +6.0 +9.4 +20.4 +18.5 +5.8 −5.7 −18.1 −20.5 −14.0 +3.2 +15.7 10
11 −7.3 +10.5 +13.6 +20.6 +15.8 +1.5 −9.7 −20.0 −18.8 −9.8 +8.6 +19.2 11
12 −2.6 +14.4 +17.0 +19.6 +12.4 −2.8 −13.3 −21.0 −16.0 −4.9 +13.5 +21.3 12
13 +2.3 +17.5 +19.3 +17.6 +8.5 −7.0 −16.4 −21.0 −12.2 +0.4 +17.5 +21.9 13
14 +7.1 +19.5 +20.4 +14.8 +4.4 −10.9 −18.8 −19.9 −7.7 +5.7 +20.3 +21.0 14
15 +11.5 +20.3 +20.3 +11.3 +0.1 −14.3 −20.4 −17.8 −2.7 +10.8 +21.7 +18.7 15
16 +15.2 +20.0 +19.1 +7.4 −4.1 −17.2 −21.1 −14.7 +2.5 +15.3 +21.6 +15.3 16
17 +18.1 +18.5 +16.9 +3.2 −8.2 −19.4 −20.8 −10.7 +7.6 +18.7 +20.0 +11.3 17
18 +19.8 +16.1 +13.9 −1.0 −11.9 −20.8 −19.3 −6.1 +12.3 +20.8 +17.4 +6.9 18
19 +20.4 +12.9 +10.3 −5.2 −15.2 −21.1 −16.9 −1.1 +16.3 +21.6 +13.9 +2.3 19
20 +19.6 +9.1 +6.3 −9.2 −17.9 −20.5 −13.6 +3.9 +19.2 +21.0 +9.9 −2.3 20
21 +17.8 +5.1 +2.1 −12.8 −19.8 −18.8 −9.5 +8.8 +20.9 +19.2 +5.5 −6.7 21
22 +15.0 +0.9 −2.1 −15.9 −20.9 −16.1 −4.9 +13.2 +21.3 +16.3 +1.0 −10.8 22
23 +11.6 −3.3 −6.2 −18.3 −21.0 −12.6 0.0 +16.9 +20.4 +12.8 −3.5 −14.4 23
24 +7.7 −7.3 −10.1 −20.0 −20.0 −8.4 +5.0 +19.5 +18.4 +8.7 −7.8 −17.5 24
25 +3.6 −11.0 −13.5 −20.8 −18.1 −3.7 +9.8 +20.9 +15.4 +4.3 −11.8 −19.9 25
26 −0.6 −14.3 −16.4 −20.6 −15.2 +1.3 +14.1 +21.1 +11.7 −0.3 −15.3 −21.4 26
27 −4.7 −17.0 −18.6 −19.4 −11.5 +6.3 +17.6 +19.9 +7.5 −4.7 −18.2 −21.9 27
28 −8.6 −19.0 −20.1 −17.2 −7.1 +11.1 +20.0 +17.6 +3.0 −8.9 −20.4 −21.5 28
29 −12.1 −20.2 −20.6 −14.0 −2.2 +15.3 +21.1 +14.3 −1.5 −12.8 −21.6 −20.0 29
30 −15.2 −20.4 −20.1 −9.9 +3.0 +18.5 +20.8 +10.4 −5.9 −16.1 −21.9 −17.6 30
31 −17.7 −19.5 −18.5 −5.2 +8.1 +20.5 +19.2 +6.1 −10.0 −18.8 −21.2 −14.3 31
32 −19.5 −17.4 −15.9 0.0 +12.9 +21.1 +16.5 +1.6 −13.7 −20.6 −19.5 −10.4 32

Declination of Mercury in 1981

At 0:00 Universal Time

Day Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Day
0 −24.8 −11.9 −12.5 −7.4 +15.6 +24.8 +18.7 +21.7 +2.2 −15.2 −5.8 −20.5 0
1 −24.8 −11.3 −12.8 −6.9 +16.4 +24.7 +18.7 +21.4 +1.4 −15.5 −6.0 −21.0 1
2 −24.7 −10.7 −13.1 −6.3 +17.2 +24.5 +18.8 +21.1 +0.7 −15.7 −6.2 −21.4 2
3 −24.6 −10.1 −13.3 −5.7 +18.0 +24.3 +18.8 +20.8 −0.1 −15.9 −6.5 −21.8 3
4 −24.4 −9.5 −13.4 −5.1 +18.7 +24.0 +18.9 +20.4 −0.8 −16.0 −6.9 −22.1 4
5 −24.3 −9.0 −13.6 −4.5 +19.4 +23.8 +19.0 +20.0 −1.5 −16.1 −7.3 −22.5 5
6 −24.1 −8.6 −13.7 −3.8 +20.1 +23.6 +19.1 +19.6 −2.2 −16.1 −7.7 −22.8 6
7 −23.9 −8.2 −13.8 −3.1 +20.8 +23.3 +19.3 +19.1 −2.9 −16.1 −8.2 −23.1 7
8 −23.7 −7.9 −13.8 −2.5 +21.4 +23.0 +19.4 +18.5 −3.6 −16.0 −8.7 −23.4 8
9 −23.4 −7.6 −13.8 −1.8 +21.9 +22.8 +19.6 +18.0 −4.3 −15.9 −9.2 −23.7 9
10 −23.1 −7.4 −13.8 −1.0 +22.5 +22.5 +19.8 +17.4 −5.0 −15.6 −9.8 −23.9 10
11 −22.8 −7.3 −13.8 −0.3 +22.9 +22.2 +20.0 +16.8 −5.6 −15.3 −10.3 −24.2 11
12 −22.4 −7.3 −13.7 +0.5 +23.4 +22.0 +20.2 +16.1 −6.3 −15.0 −10.9 −24.4 12
13 −22.1 −7.4 −13.6 +1.2 +23.8 +21.7 +20.4 +15.5 −6.9 −14.5 −11.5 −24.6 13
14 −21.7 −7.5 −13.5 +2.0 +24.1 +21.4 +20.6 +14.8 −7.6 −14.0 −12.1 −24.7 14
15 −21.3 −7.7 −13.3 +2.8 +24.4 +21.1 +20.8 +14.1 −8.2 −13.4 −12.7 −24.9 15
16 −20.8 −7.9 −13.1 +3.6 +24.7 +20.9 +21.0 +13.4 −8.8 −12.7 −13.3 −25.0 16
17 −20.4 −8.3 −12.9 +4.4 +24.9 +20.6 +21.2 +12.7 −9.4 −12.0 −13.8 −25.1 17
18 −19.9 −8.6 −12.7 +5.3 +25.1 +20.4 +21.4 +12.0 −9.9 −11.3 −14.4 −25.2 18
19 −19.3 −9.0 −12.4 +6.1 +25.3 +20.1 +21.6 +11.2 −10.5 −10.5 −15.0 −25.2 19
20 −18.8 −9.4 −12.1 +7.0 +25.4 +19.9 +21.8 +10.5 −11.0 −9.7 −15.5 −25.3 20
21 −18.2 −9.9 −11.8 +7.8 +25.5 +19.7 +21.9 +9.7 −11.6 −9.0 −16.1 −25.3 21
22 −17.7 −10.3 −11.5 +8.7 +25.6 +19.5 +22.0 +9.0 −12.1 −8.3 −16.6 −25.3 22
23 −17.1 −10.7 −11.1 +9.6 +25.6 +19.3 +22.1 +8.2 −12.5 −7.7 −17.2 −25.2 23
24 −16.4 −11.1 −10.7 +10.4 +25.6 +19.2 +22.2 +7.4 −13.0 −7.1 −17.7 −25.1 24
25 −15.8 −11.5 −10.3 +11.3 +25.5 +19.0 +22.3 +6.7 −13.4 −6.6 −18.2 −25.1 25
26 −15.2 −11.9 −9.9 +12.2 +25.5 +18.9 +22.3 +5.9 −13.9 −6.3 −18.7 −24.9 26
27 −14.5 −12.2 −9.4 +13.1 +25.4 +18.8 +22.2 +5.2 −14.2 −6.0 −19.2 −24.8 27
28 −13.9 −12.5 −9.0 +13.9 +25.3 +18.8 +22.2 +4.4 −14.6 −5.8 −19.7 −24.6 28
29 −13.2 −12.8 −8.5 +14.8 +25.2 +18.7 +22.0 +3.7 −14.9 −5.7 −20.1 −24.4 29
30 −12.5 −13.1 −8.0 +15.6 +25.0 +18.7 +21.9 +2.9 −15.2 −5.7 −20.5 −24.2 30
31 −11.9 −13.3 −7.4 +16.4 +24.8 +18.7 +21.7 +2.2 −15.5 −5.8 −21.0 −24.0 31
32 −11.3 −13.4 −6.9 +17.2 +24.7 +18.8 +21.4 +1.4 −15.7 −6.0 −21.4 −23.7 32

Declination of Venus in 1981

At 0:00 Universal Time

Day Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Day
0 −21.8 −21.6 −12.8 +2.1 +15.9 +24.0 +21.6 +10.0 −5.7 −19.3 −26.6 −24.4 0
1 −22.0 −21.4 −12.3 +2.6 +16.3 +24.0 +21.3 +9.5 −6.2 −19.7 −26.7 −24.2 1
2 −22.1 −21.2 −11.9 +3.1 +16.7 +24.1 +21.1 +9.0 −6.7 −20.1 −26.7 −24.0 2
3 −22.3 −21.0 −11.5 +3.6 +17.1 +24.2 +20.8 +8.6 −7.2 −20.4 −26.8 −23.8 3
4 −22.4 −20.8 −11.0 +4.1 +17.4 +24.3 +20.5 +8.1 −7.7 −20.8 −26.8 −23.6 4
5 −22.5 −20.5 −10.6 +4.5 +17.8 +24.3 +20.2 +7.6 −8.2 −21.1 −26.8 −23.3 5
6 −22.6 −20.3 −10.1 +5.0 +18.2 +24.3 +19.9 +7.1 −8.7 −21.4 −26.9 −23.1 6
7 −22.7 −20.1 −9.7 +5.5 +18.5 +24.4 +19.6 +6.6 −9.2 −21.8 −26.9 −22.9 7
8 −22.8 −19.8 −9.2 +6.0 +18.8 +24.4 +19.3 +6.1 −9.7 −22.1 −26.9 −22.6 8
9 −22.9 −19.5 −8.8 +6.5 +19.2 +24.4 +19.0 +5.6 −10.2 −22.4 −26.9 −22.4 9
10 −22.9 −19.2 −8.3 +7.0 +19.5 +24.3 +18.7 +5.1 −10.6 −22.7 −26.8 −22.1 10
11 −23.0 −18.9 −7.8 +7.5 +19.8 +24.3 +18.3 +4.6 −11.1 −23.0 −26.8 −21.9 11
12 −23.0 −18.6 −7.4 +8.0 +20.1 +24.3 +18.0 +4.1 −11.6 −23.2 −26.8 −21.6 12
13 −23.1 −18.3 −6.9 +8.5 +20.4 +24.2 +17.6 +3.6 −12.1 −23.5 −26.7 −21.4 13
14 −23.1 −18.0 −6.4 +8.9 +20.7 +24.2 +17.2 +3.1 −12.5 −23.8 −26.6 −21.1 14
15 −23.1 −17.7 −5.9 +9.4 +21.0 +24.1 +16.9 +2.6 −13.0 −24.0 −26.6 −20.9 15
16 −23.1 −17.4 −5.4 +9.9 +21.2 +24.0 +16.5 +2.0 −13.5 −24.2 −26.5 −20.6 16
17 −23.1 −17.0 −4.9 +10.3 +21.5 +23.9 +16.1 +1.5 −13.9 −24.5 −26.4 −20.3 17
18 −23.0 −16.7 −4.4 +10.8 +21.7 +23.8 +15.7 +1.0 −14.4 −24.7 −26.3 −20.1 18
19 −23.0 −16.3 −4.0 +11.2 +22.0 +23.7 +15.3 +0.5 −14.8 −24.9 −26.2 −19.8 19
20 −22.9 −15.9 −3.5 +11.7 +22.2 +23.5 +14.9 0.0 −15.3 −25.1 −26.1 −19.5 20
21 −22.9 −15.6 −3.0 +12.1 +22.4 +23.4 +14.5 −0.5 −15.7 −25.3 −25.9 −19.3 21
22 −22.8 −15.2 −2.5 +12.6 +22.6 +23.2 +14.0 −1.0 −16.1 −25.5 −25.8 −19.0 22
23 −22.7 −14.8 −2.0 +13.0 +22.8 +23.1 +13.6 −1.6 −16.5 −25.6 −25.6 −18.8 23
24 −22.6 −14.4 −1.5 +13.5 +23.0 +22.9 +13.2 −2.1 −17.0 −25.8 −25.5 −18.5 24
25 −22.5 −14.0 −1.0 +13.9 +23.2 +22.7 +12.7 −2.6 −17.4 −25.9 −25.3 −18.3 25
26 −22.4 −13.6 −0.5 +14.3 +23.3 +22.5 +12.3 −3.1 −17.8 −26.1 −25.2 −18.0 26
27 −22.2 −13.2 0.0 +14.7 +23.5 +22.3 +11.8 −3.6 −18.2 −26.2 −25.0 −17.8 27
28 −22.1 −12.8 +0.5 +15.1 +23.6 +22.1 +11.4 −4.1 −18.6 −26.3 −24.8 −17.5 28
29 −21.9 −12.3 +1.0 +15.5 +23.7 +21.8 +10.9 −4.7 −19.0 −26.4 −24.6 −17.3 29
30 −21.8 −11.9 +1.5 +15.9 +23.8 +21.6 +10.5 −5.2 −19.3 −26.5 −24.4 −17.0 30
31 −21.6 −11.5 +2.1 +16.3 +24.0 +21.3 +10.0 −5.7 −19.7 −26.6 −24.2 −16.8 31
32 −21.4 −11.0 +2.6 +16.7 +24.0 +21.1 +9.5 −6.2 −20.1 −26.7 −24.0 −16.6 32

Declination of Mars in 1981

At 0:00 Universal Time

Day Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Day
0 −21.2 −14.4 −6.1 +3.6 +12.3 +19.3 +23.1 +23.8 +21.3 +16.8 +10.9 +4.9 0
1 −21.1 −14.1 −5.8 +4.0 +12.6 +19.4 +23.2 +23.7 +21.2 +16.6 +10.7 +4.7 1
2 −20.9 −13.8 −5.5 +4.3 +12.9 +19.6 +23.3 +23.7 +21.1 +16.4 +10.5 +4.5 2
3 −20.7 −13.5 −5.2 +4.6 +13.1 +19.8 +23.3 +23.7 +21.0 +16.3 +10.3 +4.3 3
4 −20.5 −13.3 −4.9 +4.9 +13.4 +20.0 +23.4 +23.6 +20.8 +16.1 +10.1 +4.1 4
5 −20.4 −13.0 −4.6 +5.2 +13.6 +20.1 +23.5 +23.6 +20.7 +15.9 +9.9 +3.9 5
6 −20.2 −12.7 −4.2 +5.5 +13.9 +20.3 +23.5 +23.5 +20.6 +15.7 +9.7 +3.8 6
7 −20.0 −12.4 −3.9 +5.8 +14.1 +20.4 +23.6 +23.5 +20.4 +15.5 +9.5 +3.6 7
8 −19.8 −12.1 −3.6 +6.1 +14.4 +20.6 +23.6 +23.4 +20.3 +15.4 +9.3 +3.4 8
9 −19.6 −11.9 −3.3 +6.4 +14.6 +20.8 +23.7 +23.4 +20.2 +15.2 +9.1 +3.2 9
10 −19.4 −11.6 −3.0 +6.7 +14.9 +20.9 +23.7 +23.3 +20.0 +15.0 +8.9 +3.0 10
11 −19.2 −11.3 −2.7 +7.0 +15.1 +21.0 +23.7 +23.2 +19.9 +14.8 +8.7 +2.8 11
12 −19.0 −11.0 −2.3 +7.3 +15.3 +21.2 +23.8 +23.2 +19.7 +14.6 +8.5 +2.7 12
13 −18.7 −10.7 −2.0 +7.6 +15.6 +21.3 +23.8 +23.1 +19.6 +14.4 +8.3 +2.5 13
14 −18.5 −10.4 −1.7 +7.9 +15.8 +21.5 +23.8 +23.0 +19.4 +14.2 +8.1 +2.3 14
15 −18.3 −10.1 −1.4 +8.2 +16.0 +21.6 +23.9 +22.9 +19.3 +14.0 +7.9 +2.1 15
16 −18.1 −9.8 −1.1 +8.5 +16.2 +21.7 +23.9 +22.9 +19.1 +13.8 +7.7 +1.9 16
17 −17.9 −9.5 −0.8 +8.7 +16.5 +21.8 +23.9 +22.8 +19.0 +13.6 +7.5 +1.8 17
18 −17.6 −9.2 −0.4 +9.0 +16.7 +22.0 +23.9 +22.7 +18.8 +13.4 +7.3 +1.6 18
19 −17.4 −8.9 −0.1 +9.3 +16.9 +22.1 +23.9 +22.6 +18.7 +13.3 +7.1 +1.4 19
20 −17.2 −8.6 +0.2 +9.6 +17.1 +22.2 +23.9 +22.5 +18.5 +13.1 +6.9 +1.3 20
21 −16.9 −8.3 +0.5 +9.9 +17.3 +22.3 +23.9 +22.4 +18.3 +12.9 +6.7 +1.1 21
22 −16.7 −8.0 +0.8 +10.2 +17.5 +22.4 +23.9 +22.3 +18.2 +12.7 +6.5 +0.9 22
23 −16.4 −7.7 +1.1 +10.4 +17.7 +22.5 +23.9 +22.2 +18.0 +12.5 +6.3 +0.8 23
24 −16.2 −7.4 +1.5 +10.7 +17.9 +22.6 +23.9 +22.1 +17.8 +12.3 +6.1 +0.6 24
25 −15.9 −7.1 +1.8 +11.0 +18.1 +22.7 +23.9 +22.0 +17.7 +12.1 +5.9 +0.4 25
26 −15.7 −6.8 +2.1 +11.3 +18.3 +22.8 +23.9 +21.9 +17.5 +11.9 +5.7 +0.3 26
27 −15.4 −6.4 +2.4 +11.5 +18.5 +22.9 +23.9 +21.8 +17.3 +11.7 +5.5 +0.1 27
28 −15.2 −6.1 +2.7 +11.8 +18.7 +23.0 +23.9 +21.7 +17.2 +11.5 +5.3 0.0 28
29 −14.9 −5.8 +3.0 +12.1 +18.9 +23.1 +23.8 +21.6 +17.0 +11.3 +5.1 −0.2 29
30 −14.6 −5.5 +3.3 +12.3 +19.1 +23.1 +23.8 +21.5 +16.8 +11.1 +4.9 −0.4 30
31 −14.4 −5.2 +3.6 +12.6 +19.3 +23.2 +23.8 +21.3 +16.6 +10.9 +4.7 −0.5 31
32 −14.1 −4.9 +4.0 +12.9 +19.4 +23.3 +23.7 +21.2 +16.4 +10.7 +4.5 −0.7 32

Declination of Jupiter in 1981

At 0:00 Universal Time

Day Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Day
0 −2.5 −2.8 −2.0 −0.5 +0.8 +1.1 +0.4 −1.3 −3.5 −5.9 −8.4 −10.6 0
1 −2.6 −2.8 −1.9 −0.4 +0.8 +1.1 +0.3 −1.3 −3.6 −6.0 −8.5 −10.7 1
2 −2.6 −2.7 −1.9 −0.4 +0.8 +1.1 +0.3 −1.4 −3.7 −6.1 −8.6 −10.8 2
3 −2.6 −2.7 −1.9 −0.3 +0.9 +1.1 +0.3 −1.5 −3.7 −6.2 −8.7 −10.8 3
4 −2.6 −2.7 −1.8 −0.3 +0.9 +1.1 +0.2 −1.5 −3.8 −6.3 −8.8 −10.9 4
5 −2.7 −2.7 −1.8 −0.2 +0.9 +1.1 +0.2 −1.6 −3.9 −6.3 −8.8 −11.0 5
6 −2.7 −2.7 −1.7 −0.2 +0.9 +1.1 +0.1 −1.7 −4.0 −6.4 −8.9 −11.0 6
7 −2.7 −2.7 −1.7 −0.1 +1.0 +1.0 +0.1 −1.7 −4.1 −6.5 −9.0 −11.1 7
8 −2.7 −2.6 −1.6 −0.1 +1.0 +1.0 0.0 −1.8 −4.1 −6.6 −9.1 −11.1 8
9 −2.7 −2.6 −1.6 0.0 +1.0 +1.0 0.0 −1.9 −4.2 −6.7 −9.1 −11.2 9
10 −2.7 −2.6 −1.5 0.0 +1.0 +1.0 −0.1 −1.9 −4.3 −6.8 −9.2 −11.3 10
11 −2.8 −2.6 −1.5 +0.1 +1.0 +1.0 −0.1 −2.0 −4.4 −6.8 −9.3 −11.3 11
12 −2.8 −2.5 −1.4 +0.1 +1.0 +0.9 −0.2 −2.1 −4.5 −6.9 −9.4 −11.4 12
13 −2.8 −2.5 −1.4 +0.1 +1.1 +0.9 −0.2 −2.1 −4.5 −7.0 −9.4 −11.4 13
14 −2.8 −2.5 −1.3 +0.2 +1.1 +0.9 −0.3 −2.2 −4.6 −7.1 −9.5 −11.5 14
15 −2.8 −2.5 −1.3 +0.2 +1.1 +0.9 −0.3 −2.3 −4.7 −7.2 −9.6 −11.6 15
16 −2.8 −2.4 −1.2 +0.3 +1.1 +0.8 −0.4 −2.4 −4.8 −7.2 −9.7 −11.6 16
17 −2.8 −2.4 −1.2 +0.3 +1.1 +0.8 −0.4 −2.4 −4.9 −7.3 −9.7 −11.7 17
18 −2.8 −2.4 −1.1 +0.4 +1.1 +0.8 −0.5 −2.5 −4.9 −7.4 −9.8 −11.7 18
19 −2.8 −2.3 −1.1 +0.4 +1.1 +0.8 −0.5 −2.6 −5.0 −7.5 −9.9 −11.8 19
20 −2.8 −2.3 −1.0 +0.4 +1.1 +0.7 −0.6 −2.7 −5.1 −7.6 −9.9 −11.8 20
21 −2.8 −2.3 −1.0 +0.5 +1.1 +0.7 −0.7 −2.7 −5.2 −7.6 −10.0 −11.9 21
22 −2.8 −2.2 −0.9 +0.5 +1.1 +0.7 −0.7 −2.8 −5.3 −7.7 −10.1 −11.9 22
23 −2.8 −2.2 −0.9 +0.6 +1.1 +0.6 −0.8 −2.9 −5.4 −7.8 −10.2 −12.0 23
24 −2.8 −2.1 −0.8 +0.6 +1.1 +0.6 −0.8 −3.0 −5.4 −7.9 −10.2 −12.0 24
25 −2.8 −2.1 −0.8 +0.6 +1.1 +0.6 −0.9 −3.0 −5.5 −8.0 −10.3 −12.1 25
26 −2.8 −2.1 −0.7 +0.7 +1.1 +0.5 −1.0 −3.1 −5.6 −8.0 −10.4 −12.1 26
27 −2.8 −2.0 −0.7 +0.7 +1.1 +0.5 −1.0 −3.2 −5.7 −8.1 −10.4 −12.2 27
28 −2.8 −2.0 −0.6 +0.7 +1.1 +0.5 −1.1 −3.3 −5.8 −8.2 −10.5 −12.2 28
29 −2.8 −1.9 −0.6 +0.8 +1.1 +0.4 −1.1 −3.3 −5.8 −8.3 −10.6 −12.3 29
30 −2.8 −1.9 −0.5 +0.8 +1.1 +0.4 −1.2 −3.4 −5.9 −8.4 −10.6 −12.3 30
31 −2.8 −1.9 −0.5 +0.8 +1.1 +0.3 −1.3 −3.5 −6.0 −8.4 −10.7 −12.4 31
32 −2.8 −1.8 −0.4 +0.8 +1.1 +0.3 −1.3 −3.6 −6.1 −8.5 −10.8 −12.4 32

Declination of Saturn in 1981

At 0:00 Universal Time

Day Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Day
0 −1.6 −1.5 −0.9 0.0 +0.8 +1.1 +0.8 −0.1 −1.3 −2.7 −4.2 −5.3 0
10 −1.6 −1.4 −0.7 +0.3 +1.0 +1.1 +0.6 −0.4 −1.8 −3.2 −4.6 −5.6 10
20 −1.6 −1.2 −0.3 +0.6 +1.1 +1.0 +0.3 −0.8 −2.3 −3.7 −5.0 −5.9 20
30 −1.5 −0.9 0.0 +0.8 +1.1 +0.8 0.0 −1.3 −2.7 −4.1 −5.3 −6.1 30
40 −1.4 −0.6 +0.3 +1.0 +1.1 +0.6 −0.4 −1.7 −3.2 −4.5 −5.6 −6.2 40

Declination of Uranus in 1981

At 0:00 Universal Time

Day Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Day
0 −19.6 −19.9 −20.0 −19.9 −19.7 −19.4 −19.2 −19.1 −19.2 −19.4 −19.8 −20.2 0
10 −19.7 −19.9 −20.0 −19.8 −19.6 −19.3 −19.1 −19.1 −19.2 −19.5 −19.9 −20.3 10
20 −19.8 −19.9 −19.9 −19.8 −19.5 −19.2 −19.1 −19.1 −19.3 −19.6 −20.0 −20.4 20
30 −19.8 −20.0 −19.9 −19.7 −19.4 −19.2 −19.1 −19.1 −19.4 −19.8 −20.2 −20.5 30
40 −19.9 −19.9 −19.8 −19.6 −19.3 −19.1 −19.1 −19.2 −19.5 −19.9 −20.3 −20.6 40

Declination of Neptune in 1981

At 0:00 Universal Time

Day Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Day
0 −22.0 −22.0 −22.0 −22.0 −22.0 −21.9 −21.9 −21.9 −21.9 −21.9 −22.0 −22.0 0
10 −22.0 −22.0 −22.0 −22.0 −22.0 −21.9 −21.9 −21.9 −21.9 −21.9 −22.0 −22.1 10
20 −22.0 −22.0 −22.0 −22.0 −21.9 −21.9 −21.9 −21.9 −21.9 −22.0 −22.0 −22.1 20
30 −22.0 −22.0 −22.0 −22.0 −21.9 −21.9 −21.9 −21.9 −21.9 −22.0 −22.0 −22.1 30
40 −22.0 −22.0 −22.0 −22.0 −21.9 −21.9 −21.9 −21.9 −21.9 −22.0 −22.1 −22.1 40

Meridian passages of the planets in 1981

planet-meridian-passage-1981.svg

The colours of the planets are those from Per Lilje (editor): Almanakk for Norge 2020

Rings of Saturn in 1981

Rings of Saturn in 1981

Some events

d
Jan.13B is at maximum (+7,3°)
May31B is at minimum (+4,2°)

Distances from Earth to Mercury, Venus and Mars 1981

Distances from Earth to Mercury, Venus and Mars 1981

Nutation in obliquity 1981

nutation-in-obliquity-1981.svg

Heliocentric positions of the planets in their orbits 1981

January · February · March · April · May · June · July · August · September · October · November · December · Outer planets

Heliocentric positions of the planets in their orbits 1981 January

Heliocentric positions of the planets in their orbits 1981 January

Heliocentric positions of the planets in their orbits 1981 February

Heliocentric positions of the planets in their orbits 1981 February

Heliocentric positions of the planets in their orbits 1981 March

Heliocentric positions of the planets in their orbits 1981 March

Heliocentric positions of the planets in their orbits 1981 April

Heliocentric positions of the planets in their orbits 1981 April

Heliocentric positions of the planets in their orbits 1981 May

Heliocentric positions of the planets in their orbits 1981 May

Heliocentric positions of the planets in their orbits 1981 June

Heliocentric positions of the planets in their orbits 1981 June

Heliocentric positions of the planets in their orbits 1981 July

Heliocentric positions of the planets in their orbits 1981 July

Heliocentric positions of the planets in their orbits 1981 August

Heliocentric positions of the planets in their orbits 1981 August

Heliocentric positions of the planets in their orbits 1981 September

Heliocentric positions of the planets in their orbits 1981 September

Heliocentric positions of the planets in their orbits 1981 October

Heliocentric positions of the planets in their orbits 1981 October

Heliocentric positions of the planets in their orbits 1981 November

Heliocentric positions of the planets in their orbits 1981 November

Heliocentric positions of the planets in their orbits 1981 December

Heliocentric positions of the planets in their orbits 1981 December

Heliocentric positions of the planets in their orbits 1981

Heliocentric positions of the planets in their orbits 1981

Sources

Instructions for use