Ephemeris for C/2021 D1 (SWAN)

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 D1 (SWAN)
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 D1 (SWAN)
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
2026	Mar	20	00:00 PDT	01 days	10^h51^m22^s	−17°56'27"	18:35	23:48	05:00	33.7	20:44 until 02:52	Crater
2026	Mar	21	00:00 PDT	02 days	10^h51^m07^s	−17°54'49"	18:31	23:44	04:56	33.7	20:39 until 02:48	Crater
2026	Mar	22	00:00 PDT	03 days	10^h50^m53^s	−17°53'10"	18:27	23:39	04:52	33.7	20:35 until 02:44	Hydra
2026	Mar	23	00:00 PDT	04 days	10^h50^m40^s	−17°51'30"	18:23	23:35	04:48	33.7	20:31 until 02:40	Hydra
2026	Mar	24	00:00 PDT	05 days	10^h50^m26^s	−17°49'49"	18:18	23:31	04:44	33.7	20:26 until 02:36	Hydra
2026	Mar	25	00:00 PDT	06 days	10^h50^m12^s	−17°48'07"	18:14	23:27	04:40	33.7	20:22 until 02:32	Hydra
2026	Mar	26	00:00 PDT	07 days	10^h49^m59^s	−17°46'24"	18:10	23:23	04:36	33.7	20:18 until 02:28	Hydra
2026	Mar	27	00:00 PDT	08 days	10^h49^m46^s	−17°44'40"	18:06	23:19	04:32	33.8	20:14 until 02:24	Hydra
2026	Mar	28	00:00 PDT	09 days	10^h49^m32^s	−17°42'55"	18:01	23:15	04:28	33.8	20:09 until 02:20	Hydra
2026	Mar	29	00:00 PDT	10 days	10^h49^m19^s	−17°41'09"	17:57	23:10	04:24	33.8	20:09 until 02:16	Hydra
2026	Mar	30	00:00 PDT	11 days	10^h49^m06^s	−17°39'22"	17:53	23:06	04:20	33.8	20:10 until 02:12	Hydra
2026	Mar	31	00:00 PDT	12 days	10^h48^m54^s	−17°37'35"	17:49	23:02	04:15	33.8	20:11 until 02:08	Hydra
2026	Apr	01	00:00 PDT	13 days	10^h48^m41^s	−17°35'47"	17:45	22:58	04:11	33.8	20:12 until 02:04	Hydra
2026	Apr	02	00:00 PDT	14 days	10^h48^m29^s	−17°33'58"	17:40	22:54	04:07	33.8	20:13 until 02:00	Hydra
2026	Apr	03	00:00 PDT	15 days	10^h48^m16^s	−17°32'09"	17:36	22:50	04:03	33.8	20:14 until 01:56	Hydra
2026	Apr	04	00:00 PDT	16 days	10^h48^m04^s	−17°30'18"	17:32	22:46	03:59	33.8	20:14 until 01:52	Hydra
2026	Apr	05	00:00 PDT	17 days	10^h47^m52^s	−17°28'28"	17:28	22:41	03:55	33.8	20:15 until 01:48	Hydra
2026	Apr	06	00:00 PDT	18 days	10^h47^m41^s	−17°26'37"	17:23	22:37	03:51	33.8	20:16 until 01:44	Hydra
2026	Apr	07	00:00 PDT	19 days	10^h47^m29^s	−17°24'45"	17:19	22:33	03:47	33.8	20:17 until 01:40	Hydra
2026	Apr	08	00:00 PDT	20 days	10^h47^m18^s	−17°22'53"	17:15	22:29	03:43	33.8	20:18 until 01:36	Hydra
2026	Apr	09	00:00 PDT	21 days	10^h47^m06^s	−17°21'01"	17:11	22:25	03:39	33.8	20:19 until 01:32	Hydra
2026	Apr	10	00:00 PDT	22 days	10^h46^m55^s	−17°19'08"	17:07	22:21	03:35	33.8	20:20 until 01:28	Hydra
2026	Apr	11	00:00 PDT	23 days	10^h46^m45^s	−17°17'15"	17:02	22:17	03:31	33.8	20:21 until 01:24	Hydra
2026	Apr	12	00:00 PDT	24 days	10^h46^m34^s	−17°15'21"	16:58	22:13	03:27	33.8	20:22 until 01:20	Hydra
2026	Apr	13	00:00 PDT	25 days	10^h46^m23^s	−17°13'28"	16:54	22:09	03:23	33.8	20:22 until 01:16	Hydra
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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