Ephemeris for C/2023 C2 (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 C2 (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 C2 (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	May	10	00:00 PDT	22 days	01^h30^m25^s	+54°28'38"	00:07	11:08	22:09	16.7	04:29 until 04:46	Perseus
2026	May	10	03:00 PDT	22 days	01^h30^m34^s	+54°29'25"	00:06	11:08	22:10	16.7	04:29 until 04:46	Perseus
2026	May	10	06:00 PDT	23 days	01^h30^m43^s	+54°30'12"	00:06	11:08	22:10	16.7	04:29 until 04:46	Perseus
2026	May	10	09:00 PDT	23 days	01^h30^m52^s	+54°30'59"	00:06	11:08	22:11	16.7	04:29 until 04:46	Perseus
2026	May	10	12:00 PDT	23 days	01^h31^m01^s	+54°31'46"	00:06	11:08	22:11	16.7	04:29 until 04:46	Perseus
2026	May	10	15:00 PDT	23 days	01^h31^m10^s	+54°32'32"	00:05	11:09	22:12	16.7	04:30 until 04:46	Perseus
2026	May	10	18:00 PDT	23 days	01^h31^m19^s	+54°33'17"	00:05	11:09	22:13	16.7	04:30 until 04:46	Perseus
2026	May	10	21:00 PDT	23 days	01^h31^m28^s	+54°34'03"	00:05	11:09	22:13	16.7	04:30 until 04:46	Perseus
2026	May	11	00:00 PDT	23 days	01^h31^m37^s	+54°34'50"	00:00	11:05	22:10	16.7	04:26 until 04:44	Perseus
2026	May	11	03:00 PDT	23 days	01^h31^m46^s	+54°35'37"	00:00	11:05	22:10	16.7	04:26 until 04:44	Perseus
2026	May	11	06:00 PDT	24 days	01^h31^m55^s	+54°36'24"	00:00	11:05	22:11	16.7	04:26 until 04:44	Perseus
2026	May	11	09:00 PDT	24 days	01^h32^m04^s	+54°37'11"	00:00	11:06	22:12	16.7	04:26 until 04:44	Perseus
2026	May	11	12:00 PDT	24 days	01^h32^m13^s	+54°37'58"	23:59	11:06	22:12	16.7	04:26 until 04:44	Perseus
2026	May	11	15:00 PDT	24 days	01^h32^m22^s	+54°38'44"	23:59	11:06	22:13	16.7	04:26 until 04:44	Perseus
2026	May	11	18:00 PDT	24 days	01^h32^m31^s	+54°39'30"	23:59	11:06	22:13	16.7	04:27 until 04:44	Cassiopeia
2026	May	11	21:00 PDT	24 days	01^h32^m40^s	+54°40'16"	23:58	11:06	22:14	16.7	04:27 until 04:44	Cassiopeia
2026	May	12	00:00 PDT	24 days	01^h32^m49^s	+54°41'02"	23:54	11:02	22:11	16.7	04:23 until 04:43	Cassiopeia
2026	May	12	03:00 PDT	24 days	01^h32^m58^s	+54°41'49"	23:54	11:03	22:11	16.7	04:23 until 04:43	Cassiopeia
2026	May	12	06:00 PDT	25 days	01^h33^m07^s	+54°42'37"	23:53	11:03	22:12	16.7	04:23 until 04:43	Cassiopeia
2026	May	12	09:00 PDT	25 days	01^h33^m16^s	+54°43'24"	23:53	11:03	22:13	16.7	04:23 until 04:43	Cassiopeia
2026	May	12	12:00 PDT	25 days	01^h33^m25^s	+54°44'11"	23:53	11:03	22:13	16.7	04:23 until 04:43	Cassiopeia
2026	May	12	15:00 PDT	25 days	01^h33^m34^s	+54°44'57"	23:52	11:03	22:14	16.7	04:23 until 04:43	Cassiopeia
2026	May	12	18:00 PDT	25 days	01^h33^m43^s	+54°45'43"	23:52	11:03	22:15	16.7	04:23 until 04:43	Cassiopeia
2026	May	12	21:00 PDT	25 days	01^h33^m52^s	+54°46'30"	23:52	11:03	22:15	16.7	04:24 until 04:43	Cassiopeia
2026	May	13	00:00 PDT	25 days	01^h34^m01^s	+54°47'16"	23:47	11:00	22:12	16.7	04:20 until 04:42	Cassiopeia
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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