Ephemeris for C/2023 A3 (Tsuchinshan-ATLAS)

by Dominic Ford

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All times computed for Cambridge (latitude 42.38°; longitude -71.11°) and expressed in Cambridge time.

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Ephemeris for C/2023 A3 (Tsuchinshan-ATLAS)
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/2023 A3 (Tsuchinshan-ATLAS)
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	Apr	10	00:00 EDT	22 days	18^h54^m57^s	+18°02'03"	23:12	06:24	13:37	17.3	01:19 until 05:00	Hercules
2026	Apr	11	00:00 EDT	23 days	18^h54^m46^s	+18°07'11"	23:07	06:20	13:33	17.3	01:14 until 04:58	Hercules
2026	Apr	12	00:00 EDT	24 days	18^h54^m34^s	+18°12'19"	23:03	06:16	13:29	17.3	01:10 until 04:56	Hercules
2026	Apr	13	00:00 EDT	25 days	18^h54^m22^s	+18°17'25"	22:58	06:12	13:25	17.3	01:06 until 04:54	Hercules
2026	Apr	14	00:00 EDT	26 days	18^h54^m09^s	+18°22'30"	22:54	06:08	13:22	17.3	01:01 until 04:52	Hercules
2026	Apr	15	00:00 EDT	27 days	18^h53^m56^s	+18°27'33"	22:49	06:04	13:18	17.3	00:57 until 04:51	Hercules
2026	Apr	16	00:00 EDT	28 days	18^h53^m41^s	+18°32'36"	22:45	05:59	13:14	17.3	00:52 until 04:49	Hercules
2026	Apr	17	00:00 EDT	29 days	18^h53^m27^s	+18°37'36"	22:40	05:55	13:10	17.3	00:48 until 04:47	Hercules
2026	Apr	18	00:00 EDT	00 days	18^h53^m11^s	+18°42'35"	22:36	05:51	13:06	17.3	00:43 until 04:45	Hercules
2026	Apr	19	00:00 EDT	01 days	18^h52^m55^s	+18°47'32"	22:31	05:47	13:03	17.3	00:39 until 04:43	Hercules
2026	Apr	20	00:00 EDT	02 days	18^h52^m38^s	+18°52'26"	22:26	05:43	12:59	17.3	00:34 until 04:41	Hercules
2026	Apr	21	00:00 EDT	03 days	18^h52^m21^s	+18°57'19"	22:22	05:38	12:55	17.3	00:30 until 04:40	Hercules
2026	Apr	22	00:00 EDT	04 days	18^h52^m03^s	+19°02'10"	22:17	05:34	12:51	17.3	00:25 until 04:38	Hercules
2026	Apr	23	00:00 EDT	05 days	18^h51^m45^s	+19°06'58"	22:13	05:30	12:47	17.3	00:21 until 04:36	Hercules
2026	Apr	24	00:00 EDT	06 days	18^h51^m25^s	+19°11'44"	22:08	05:26	12:43	17.3	00:16 until 04:34	Hercules
2026	Apr	25	00:00 EDT	07 days	18^h51^m06^s	+19°16'27"	22:04	05:21	12:39	17.3	00:12 until 04:32	Hercules
2026	Apr	26	00:00 EDT	08 days	18^h50^m45^s	+19°21'08"	21:59	05:17	12:35	17.4	00:07 until 04:31	Hercules
2026	Apr	27	00:00 EDT	09 days	18^h50^m24^s	+19°25'46"	21:54	05:13	12:31	17.4	00:03 until 04:29	Hercules
2026	Apr	28	00:00 EDT	10 days	18^h50^m03^s	+19°30'21"	21:50	05:09	12:27	17.4	23:58 until 04:27	Hercules
2026	Apr	29	00:00 EDT	11 days	18^h49^m41^s	+19°34'53"	21:45	05:04	12:23	17.4	23:54 until 04:25	Hercules
2026	Apr	30	00:00 EDT	12 days	18^h49^m18^s	+19°39'22"	21:40	05:00	12:19	17.4	23:49 until 04:24	Hercules
2026	May	01	00:00 EDT	13 days	18^h48^m55^s	+19°43'48"	21:36	04:56	12:15	17.4	23:44 until 04:22	Hercules
2026	May	02	00:00 EDT	14 days	18^h48^m31^s	+19°48'10"	21:31	04:51	12:11	17.4	23:40 until 04:20	Hercules
2026	May	03	00:00 EDT	15 days	18^h48^m06^s	+19°52'29"	21:26	04:47	12:07	17.4	23:35 until 04:19	Hercules
2026	May	04	00:00 EDT	16 days	18^h47^m41^s	+19°56'45"	21:22	04:43	12:03	17.4	23:31 until 04:17	Hercules
All times computed for Cambridge (latitude 42.38; longitude -71.11) and expressed in Cambridge time. All positions are in J2000.0 coordinates. Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php

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