Ephemeris for C/2023 A3 (Tsuchinshan-ATLAS)

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/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	Aug	24	00:00 PDT	11 days	17^h47^m05^s	+18°27'27"	13:30	20:25	03:20	18.1	20:30 until 01:27	Hercules
2026	Aug	25	00:00 PDT	12 days	17^h46^m50^s	+18°22'41"	13:26	20:21	03:16	18.1	20:28 until 01:23	Hercules
2026	Aug	26	00:00 PDT	13 days	17^h46^m36^s	+18°17'55"	13:22	20:17	03:11	18.1	20:27 until 01:18	Hercules
2026	Aug	27	00:00 PDT	14 days	17^h46^m22^s	+18°13'08"	13:18	20:13	03:07	18.1	20:25 until 01:14	Hercules
2026	Aug	28	00:00 PDT	15 days	17^h46^m09^s	+18°08'20"	13:14	20:08	03:03	18.1	20:24 until 01:10	Hercules
2026	Aug	29	00:00 PDT	16 days	17^h45^m57^s	+18°03'31"	13:10	20:04	02:58	18.1	20:23 until 01:05	Hercules
2026	Aug	30	00:00 PDT	17 days	17^h45^m45^s	+17°58'42"	13:07	20:00	02:54	18.1	20:21 until 01:01	Hercules
2026	Aug	31	00:00 PDT	18 days	17^h45^m33^s	+17°53'53"	13:03	19:56	02:49	18.1	20:20 until 00:57	Hercules
2026	Sep	01	00:00 PDT	19 days	17^h45^m23^s	+17°49'03"	12:59	19:52	02:45	18.1	20:18 until 00:52	Hercules
2026	Sep	02	00:00 PDT	20 days	17^h45^m12^s	+17°44'13"	12:55	19:48	02:41	18.1	20:17 until 00:48	Hercules
2026	Sep	03	00:00 PDT	21 days	17^h45^m03^s	+17°39'23"	12:51	19:44	02:36	18.2	20:15 until 00:44	Hercules
2026	Sep	04	00:00 PDT	22 days	17^h44^m53^s	+17°34'33"	12:47	19:40	02:32	18.2	20:14 until 00:39	Hercules
2026	Sep	05	00:00 PDT	23 days	17^h44^m45^s	+17°29'43"	12:43	19:36	02:28	18.2	20:12 until 00:35	Hercules
2026	Sep	06	00:00 PDT	24 days	17^h44^m37^s	+17°24'53"	12:40	19:32	02:23	18.2	20:11 until 00:31	Hercules
2026	Sep	07	00:00 PDT	25 days	17^h44^m29^s	+17°20'03"	12:36	19:27	02:19	18.2	20:09 until 00:27	Hercules
2026	Sep	08	00:00 PDT	26 days	17^h44^m22^s	+17°15'14"	12:32	19:23	02:15	18.2	20:08 until 00:22	Hercules
2026	Sep	09	00:00 PDT	27 days	17^h44^m16^s	+17°10'25"	12:28	19:19	02:11	18.2	20:06 until 00:18	Hercules
2026	Sep	10	00:00 PDT	28 days	17^h44^m10^s	+17°05'36"	12:24	19:15	02:06	18.2	20:05 until 00:14	Hercules
2026	Sep	11	00:00 PDT	00 days	17^h44^m04^s	+17°00'48"	12:21	19:11	02:02	18.2	20:03 until 00:10	Hercules
2026	Sep	12	00:00 PDT	01 days	17^h43^m59^s	+16°56'01"	12:17	19:07	01:58	18.2	20:02 until 00:05	Hercules
2026	Sep	13	00:00 PDT	02 days	17^h43^m55^s	+16°51'14"	12:13	19:03	01:54	18.2	20:00 until 00:01	Hercules
2026	Sep	14	00:00 PDT	03 days	17^h43^m51^s	+16°46'28"	12:09	18:59	01:49	18.2	19:59 until 23:57	Hercules
2026	Sep	15	00:00 PDT	04 days	17^h43^m48^s	+16°41'43"	12:06	18:55	01:45	18.3	19:58 until 23:53	Hercules
2026	Sep	16	00:00 PDT	05 days	17^h43^m45^s	+16°36'59"	12:02	18:51	01:41	18.3	19:56 until 23:49	Hercules
2026	Sep	17	00:00 PDT	06 days	17^h43^m43^s	+16°32'16"	11:58	18:47	01:37	18.3	19:55 until 23:45	Hercules
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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