MinorPlanet.info


SkyWatch: September 2021

Dates and times are Universal Time
Positions are geocentric J2000
Pluto's position is astrometric, i.e., it accounts for the approx. 6 hour light-time
Elongations are in degrees
Calculations by Brian D. Warner

Location Information for Rise/Set times
Enter Longitude and Latitude in degrees (e.g., 39.1003).
Western/Southern Hemisphere = negative
Enter UTOffset in hours (e.g., 9.5)

Examples: Colo Spgs, CO: –105 +39 -7.0;    Adelaide, Australia =  +138 –34 +9.5)

Longitude   Latitude   UTOffset  

Sun Information


Currently (Mon, 2021 Sep 27 07:12 UT)
RA    12 14 53.8
Dec -01 36 45.5
X -0.999730
Y -0.065866
Z -0.028548
R 1.002304

Local time for sunrise/sunset/twilight
Civil Twilight (CT): Sun 6º below horizon
Nautical Twilight (NT): Sun 12º below horizon
Astronomical Twilight (AT): Sun 18º below horizon

Local
Date
AT
Start
NT
Start
CT
Start
Sun
Rise
Sun
Set
CT
End
NT
End
AT
End
2021 Sep 26   04:2304:5405:2505:5217:4718:1318:4419:15
2021 Sep 27   04:2404:5505:2605:5317:4518:1218:4219:14
2021 Sep 28   04:2504:5605:2705:5417:4318:1018:4119:12

 


Moon Information


Currently (Mon, 2021 Sep 27 07:12 UT)
RA          04 54 28.4
Dec +23 37 25.3
Phase -0.665  (+ = waxing; - = waning)
Parallax 0.903 degrees
Diameter 29.53 arcminutes
Elong (RA) 110W

Local time for moon rise/transit/set (for UT date)
UT DateRiseTransitSet
2021 Sep 2620:2603:4911:31
2021 Sep 2721:0104:3612:29
2021 Sep 2821:4105:2613:22

Phases for 2021

New First Full Last
---------------------------------------------------------------------------------------

Dec 14 2020 16:17 Dec 21 2020 23:42 Dec 30 2020 03:29 Jan 06 2021 09:38
Jan 13 2021 05:01 Jan 20 2021 21:02 Jan 28 2021 19:17 Feb 04 2021 17:38
Feb 11 2021 19:06 Feb 19 2021 18:48 Feb 27 2021 08:18 Mar 06 2021 01:31
Mar 13 2021 10:21 Mar 21 2021 14:41 Mar 28 2021 18:48 Apr 04 2021 10:03
Apr 12 2021 02:31 Apr 20 2021 07:00 Apr 27 2021 03:32 May 03 2021 19:51
May 11 2021 19:00 May 19 2021 19:13 May 26 2021 11:14 Jun 02 2021 07:25
Jun 10 2021 10:52 Jun 18 2021 03:55 Jun 24 2021 18:39 Jul 01 2021 21:11
Jul 10 2021 01:17 Jul 17 2021 10:12 Jul 24 2021 02:37 Jul 31 2021 13:17
Aug 08 2021 13:50 Aug 15 2021 15:20 Aug 22 2021 12:02 Aug 30 2021 07:14
Sep 07 2021 00:52 Sep 13 2021 20:40 Sep 20 2021 23:55 Sep 29 2021 01:58
Oct 06 2021 11:06 Oct 13 2021 03:26 Oct 20 2021 14:57 Oct 28 2021 20:06
Nov 04 2021 21:15 Nov 11 2021 12:47 Nov 19 2021 08:58 Nov 27 2021 12:28
Dec 04 2021 07:44 Dec 11 2021 01:36 Dec 19 2021 04:36 Dec 27 2021 02:24
Jan 02 2022 18:34 Jan 09 2022 18:12 Jan 17 2022 23:49 Jan 25 2022 13:42
Feb 01 2022 05:47 Feb 08 2022 13:51 Feb 16 2022 16:58 Feb 23 2022 22:33

Planet Information


Currently (Mon, 2021 Sep 27 07:12 UT)
Local Rise/Transit/Set times are given at the end of each line
Sun         12 14 53.8   -01 36 45.5       
Opposition 00 14 53.8 +01 36 45.5 180E 17:46 23:48 05:51
Mercury 13 27 40.3 -13 14 16.3 21E 07:47 12:59 18:11
Venus 15 01 19.7 -19 09 27.3 44E 09:44 14:35 19:24
Mars 12 29 16.5 -02 21 51.3 4E 06:13 12:02 17:49
Jupiter 21 42 00.7 -15 02 57.8 139E 15:54 21:03 02:04
Saturn 20 37 23.5 -19 22 43.8 123E 15:06 19:59 00:45
Uranus 02 46 21.0 +15 36 31.4 140W 19:31 02:19 09:07
Neptune 23 29 15.7 -04 35 32.3 167E 17:06 22:51 04:27
Pluto 19 44 55.8 -22 55 27.4 110E 14:27 19:07 23:39

 

Selected Positions for September 2021
                Sep 01 2021                       Sep 16 2021                       Sep 30 2021
-------------------------------------------------------------------------------------------------------------
Sun 10 40 29.2 +08 23 07.0 11 34 30.8 +02 45 15.9 13 23 25.8 -08 46 26.6
Opposition 22 40 29.2 -08 23 07.0 180E 23 34 30.8 -02 45 15.9 180E 01 23 25.8 +08 46 26.6 180E
Mercury 12 06 56.2 -01 33 52.3 24E 13 07 59.8 -10 18 26.8 27E 12 38 49.3 -03 57 02.0 12W
Venus 13 07 10.0 -07 19 31.2 40E 14 11 37.8 -14 29 33.9 43E 16 26 48.6 -24 50 39.7 46E
Mars 11 27 15.9 +04 31 12.6 12E 12 02 34.6 +00 36 15.8 7E 13 14 41.1 -07 15 46.3 3W
Jupiter 21 52 15.9 -14 11 13.1 167E 21 45 41.2 -14 45 05.7 151E 21 39 09.2 -15 15 05.4 119E
Saturn 20 41 51.7 -19 05 26.7 149E 20 38 50.1 -19 17 14.4 134E 20 36 49.3 -19 24 50.1 104E
Uranus 02 48 24.5 +15 46 00.5 114W 02 47 28.3 +15 41 39.3 129W 02 43 50.7 +15 25 07.1 159W
Neptune 23 31 53.9 -04 18 21.9 167W 23 30 23.5 -04 28 15.0 178E 23 27 32.5 -04 46 24.9 148E
Pluto 19 46 03.7 -22 51 19.4 136E 19 45 15.7 -22 54 06.6 121E 19 44 56.5 -22 56 12.3 91E