Ephemeris for 21P/Giacobini-Zinner

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

Ephemeris for 21P/Giacobini-Zinner
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 21P/Giacobini-Zinner
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	Nov	22	16:00 PST	02 days	10^h00^m31^s	−18°17'54"	00:34	05:45	10:56	18.5	02:43 until 05:26	Hydra
2025	Nov	23	16:00 PST	03 days	10^h00^m51^s	−18°26'18"	00:31	05:41	10:52	18.5	02:40 until 05:27	Hydra
2025	Nov	24	16:00 PST	04 days	10^h01^m09^s	−18°34'38"	00:27	05:38	10:48	18.5	02:37 until 05:28	Hydra
2025	Nov	25	16:00 PST	05 days	10^h01^m26^s	−18°42'52"	00:24	05:34	10:44	18.5	02:34 until 05:28	Hydra
2025	Nov	26	16:00 PST	06 days	10^h01^m42^s	−18°51'01"	00:21	05:30	10:40	18.5	02:31 until 05:29	Hydra
2025	Nov	27	16:00 PST	07 days	10^h01^m56^s	−18°59'03"	00:18	05:27	10:36	18.5	02:28 until 05:30	Hydra
2025	Nov	28	16:00 PST	08 days	10^h02^m09^s	−19°07'01"	00:14	05:23	10:32	18.5	02:25 until 05:31	Hydra
2025	Nov	29	16:00 PST	09 days	10^h02^m21^s	−19°14'52"	00:11	05:19	10:28	18.6	02:22 until 05:32	Hydra
2025	Nov	30	16:00 PST	10 days	10^h02^m32^s	−19°22'37"	00:08	05:16	10:24	18.6	02:19 until 05:33	Hydra
2025	Dec	01	16:00 PST	11 days	10^h02^m41^s	−19°30'15"	00:04	05:12	10:19	18.6	02:16 until 05:33	Hydra
2025	Dec	02	16:00 PST	12 days	10^h02^m48^s	−19°37'47"	00:01	05:08	10:15	18.6	02:13 until 05:34	Hydra
2025	Dec	03	16:00 PST	13 days	10^h02^m55^s	−19°45'12"	23:57	05:04	10:11	18.6	02:09 until 05:35	Hydra
2025	Dec	04	16:00 PST	14 days	10^h03^m00^s	−19°52'31"	23:54	05:00	10:07	18.6	02:06 until 05:36	Hydra
2025	Dec	05	16:00 PST	15 days	10^h03^m03^s	−19°59'42"	23:50	04:56	10:03	18.6	02:03 until 05:36	Hydra
2025	Dec	06	16:00 PST	17 days	10^h03^m06^s	−20°06'46"	23:47	04:53	09:58	18.6	02:00 until 05:37	Hydra
2025	Dec	07	16:00 PST	18 days	10^h03^m07^s	−20°13'43"	23:43	04:49	09:54	18.6	01:56 until 05:38	Hydra
2025	Dec	08	16:00 PST	19 days	10^h03^m06^s	−20°20'31"	23:40	04:45	09:50	18.7	01:53 until 05:39	Hydra
2025	Dec	09	16:00 PST	20 days	10^h03^m04^s	−20°27'12"	23:36	04:41	09:45	18.7	01:50 until 05:39	Hydra
2025	Dec	10	16:00 PST	21 days	10^h03^m01^s	−20°33'45"	23:32	04:37	09:41	18.7	01:46 until 05:40	Hydra
2025	Dec	11	16:00 PST	22 days	10^h02^m56^s	−20°40'09"	23:29	04:33	09:37	18.7	01:43 until 05:41	Hydra
2025	Dec	12	16:00 PST	23 days	10^h02^m50^s	−20°46'25"	23:25	04:29	09:32	18.7	01:40 until 05:41	Hydra
2025	Dec	13	16:00 PST	24 days	10^h02^m43^s	−20°52'31"	23:21	04:25	09:28	18.7	01:36 until 05:42	Hydra
2025	Dec	14	16:00 PST	25 days	10^h02^m34^s	−20°58'29"	23:18	04:21	09:24	18.7	01:33 until 05:43	Hydra
2025	Dec	15	16:00 PST	25 days	10^h02^m24^s	−21°04'17"	23:14	04:16	09:19	18.7	01:29 until 05:43	Hydra
2025	Dec	16	16:00 PST	26 days	10^h02^m12^s	−21°09'55"	23:10	04:12	09:15	18.7	01:25 until 05:44	Hydra
All times computed for South El Monte (latitude 34.05; longitude -118.05) and expressed in South El Monte time. Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php

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