Ephemeris for C/2023 E1 (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 E1 (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 E1 (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	09	00:00 PDT	21 days	03^h53^m32^s	−13°38'22"	08:09	13:35	19:00	29.6	Not observable	Eridanus
2026	May	10	00:00 PDT	22 days	03^h53^m57^s	−13°36'50"	08:06	13:31	18:56	29.6	Not observable	Eridanus
2026	May	11	00:00 PDT	23 days	03^h54^m23^s	−13°35'22"	08:02	13:28	18:53	29.6	Not observable	Eridanus
2026	May	12	00:00 PDT	24 days	03^h54^m48^s	−13°33'56"	07:59	13:24	18:49	29.6	Not observable	Eridanus
2026	May	13	00:00 PDT	25 days	03^h55^m14^s	−13°32'33"	07:55	13:21	18:46	29.6	Not observable	Eridanus
2026	May	14	00:00 PDT	26 days	03^h55^m39^s	−13°31'13"	07:52	13:17	18:42	29.7	Not observable	Eridanus
2026	May	15	00:00 PDT	27 days	03^h56^m05^s	−13°29'56"	07:48	13:14	18:39	29.7	Not observable	Eridanus
2026	May	16	00:00 PDT	28 days	03^h56^m30^s	−13°28'42"	07:44	13:10	18:36	29.7	Not observable	Eridanus
2026	May	17	00:00 PDT	00 days	03^h56^m56^s	−13°27'31"	07:41	13:06	18:32	29.7	Not observable	Eridanus
2026	May	18	00:00 PDT	01 days	03^h57^m22^s	−13°26'23"	07:37	13:03	18:29	29.7	Not observable	Eridanus
2026	May	19	00:00 PDT	02 days	03^h57^m47^s	−13°25'18"	07:34	12:59	18:25	29.7	Not observable	Eridanus
2026	May	20	00:00 PDT	03 days	03^h58^m13^s	−13°24'15"	07:30	12:56	18:22	29.7	Not observable	Eridanus
2026	May	21	00:00 PDT	04 days	03^h58^m38^s	−13°23'16"	07:27	12:52	18:18	29.7	Not observable	Eridanus
2026	May	22	00:00 PDT	05 days	03^h59^m04^s	−13°22'20"	07:23	12:49	18:15	29.7	Not observable	Eridanus
2026	May	23	00:00 PDT	06 days	03^h59^m29^s	−13°21'27"	07:20	12:45	18:11	29.7	Not observable	Eridanus
2026	May	24	00:00 PDT	07 days	03^h59^m55^s	−13°20'37"	07:16	12:42	18:08	29.7	Not observable	Eridanus
2026	May	25	00:00 PDT	08 days	04^h00^m20^s	−13°19'50"	07:12	12:38	18:04	29.7	Not observable	Eridanus
2026	May	26	00:00 PDT	09 days	04^h00^m46^s	−13°19'06"	07:09	12:35	18:01	29.7	Not observable	Eridanus
2026	May	27	00:00 PDT	10 days	04^h01^m11^s	−13°18'25"	07:05	12:31	17:57	29.7	Not observable	Eridanus
2026	May	28	00:00 PDT	11 days	04^h01^m37^s	−13°17'47"	07:02	12:28	17:54	29.7	Not observable	Eridanus
2026	May	29	00:00 PDT	12 days	04^h02^m02^s	−13°17'12"	06:58	12:24	17:51	29.7	Not observable	Eridanus
2026	May	30	00:00 PDT	13 days	04^h02^m27^s	−13°16'40"	06:55	12:21	17:47	29.7	Not observable	Eridanus
2026	May	31	00:00 PDT	14 days	04^h02^m52^s	−13°16'11"	06:51	12:17	17:44	29.7	Not observable	Eridanus
2026	Jun	01	00:00 PDT	15 days	04^h03^m18^s	−13°15'45"	06:48	12:14	17:40	29.8	Not observable	Eridanus
2026	Jun	02	00:00 PDT	16 days	04^h03^m43^s	−13°15'22"	06:44	12:10	17:37	29.8	Not observable	Eridanus
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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