Ephemeris for C/2021 A2 (NEOWISE)

by Dominic Ford

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All times computed for South El Monte (latitude 34.05°; longitude -118.05°) and expressed in South El Monte time.

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Ephemeris for C/2021 A2 (NEOWISE)
Date	Time	Age of Moon	Right Ascension	Declination	Rise	Culm	Set	Approx Mag.	Observable (hover mouse)	Constellation
Date	Time	Age of Moon	Right Ascension	Declination	Rise	Culm	Set	Approx Mag.	Observable (hover mouse)	Constellation

Ephemeris for C/2021 A2 (NEOWISE)
Date			Time	Age of Moon	Right Ascension	Declination	Rise	Culm	Set	Approx Mag.	Observable (hover mouse)	Constellation
Date			Time	Age of Moon	Right Ascension	Declination	Rise	Culm	Set	Approx Mag.	Observable (hover mouse)	Constellation
2025	Dec	22	00:00 PST	02 days	20^h31^m51^s	+34°45'45"	06:21	14:17	22:12	38.5	17:51 until 19:58	Cygnus
2025	Dec	22	03:00 PST	02 days	20^h31^m53^s	+34°45'32"	06:21	14:17	22:12	38.5	17:51 until 19:58	Cygnus
2025	Dec	22	06:00 PST	02 days	20^h31^m55^s	+34°45'19"	06:21	14:17	22:12	38.5	17:51 until 19:58	Cygnus
2025	Dec	22	09:00 PST	02 days	20^h31^m56^s	+34°45'07"	06:21	14:17	22:12	38.5	17:51 until 19:58	Cygnus
2025	Dec	22	12:00 PST	02 days	20^h31^m58^s	+34°44'54"	06:21	14:17	22:12	38.5	17:51 until 19:58	Cygnus
2025	Dec	22	15:00 PST	02 days	20^h32^m00^s	+34°44'41"	06:21	14:17	22:12	38.5	17:51 until 19:58	Cygnus
2025	Dec	22	18:00 PST	03 days	20^h32^m02^s	+34°44'28"	06:21	14:17	22:12	38.5	17:51 until 19:58	Cygnus
2025	Dec	22	21:00 PST	03 days	20^h32^m04^s	+34°44'15"	06:21	14:17	22:12	38.5	17:51 until 19:58	Cygnus
2025	Dec	23	00:00 PST	03 days	20^h32^m06^s	+34°44'02"	06:17	14:13	22:09	38.5	17:51 until 19:54	Cygnus
2025	Dec	23	03:00 PST	03 days	20^h32^m08^s	+34°43'50"	06:17	14:13	22:09	38.5	17:51 until 19:54	Cygnus
2025	Dec	23	06:00 PST	03 days	20^h32^m10^s	+34°43'37"	06:18	14:13	22:09	38.5	17:51 until 19:54	Cygnus
2025	Dec	23	09:00 PST	03 days	20^h32^m12^s	+34°43'25"	06:18	14:13	22:09	38.5	17:51 until 19:54	Cygnus
2025	Dec	23	12:00 PST	03 days	20^h32^m14^s	+34°43'13"	06:18	14:13	22:09	38.5	17:51 until 19:54	Cygnus
2025	Dec	23	15:00 PST	03 days	20^h32^m16^s	+34°43'00"	06:18	14:13	22:09	38.5	17:51 until 19:54	Cygnus
2025	Dec	23	18:00 PST	04 days	20^h32^m18^s	+34°42'48"	06:18	14:13	22:09	38.5	17:51 until 19:54	Cygnus
2025	Dec	23	21:00 PST	04 days	20^h32^m20^s	+34°42'35"	06:18	14:13	22:09	38.6	17:51 until 19:54	Cygnus
2025	Dec	24	00:00 PST	04 days	20^h32^m22^s	+34°42'23"	06:14	14:09	22:05	38.6	17:52 until 19:51	Cygnus
2025	Dec	24	03:00 PST	04 days	20^h32^m24^s	+34°42'11"	06:14	14:09	22:05	38.6	17:52 until 19:51	Cygnus
2025	Dec	24	06:00 PST	04 days	20^h32^m26^s	+34°41'59"	06:14	14:09	22:05	38.6	17:52 until 19:51	Cygnus
2025	Dec	24	09:00 PST	04 days	20^h32^m28^s	+34°41'47"	06:14	14:09	22:05	38.6	17:52 until 19:51	Cygnus
2025	Dec	24	12:00 PST	04 days	20^h32^m30^s	+34°41'35"	06:14	14:09	22:05	38.6	17:52 until 19:51	Cygnus
2025	Dec	24	15:00 PST	04 days	20^h32^m32^s	+34°41'23"	06:14	14:09	22:05	38.6	17:52 until 19:51	Cygnus
2025	Dec	24	18:00 PST	05 days	20^h32^m34^s	+34°41'11"	06:14	14:10	22:05	38.6	17:52 until 19:51	Cygnus
2025	Dec	24	21:00 PST	05 days	20^h32^m36^s	+34°40'59"	06:14	14:10	22:05	38.6	17:52 until 19:51	Cygnus
2025	Dec	25	00:00 PST	05 days	20^h32^m38^s	+34°40'47"	06:10	14:06	22:01	38.6	17:52 until 19:47	Cygnus
All times computed for South El Monte (latitude 34.05; longitude -118.05) and expressed in South El Monte time. All positions are in J2000.0 coordinates. Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php

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