Ephemeris for C/2012 S1 (ISON)

by Dominic Ford

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You are welcome to reproduce the data below for non-profit purposes , providing you credit In-The-Sky.org.

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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/2012 S1 (ISON)
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/2012 S1 (ISON)
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	Jul	07	00:00 PDT	22 days	07^h25^m33^s	+36°24'07"	05:11	13:14	21:18	24.1	Not observable	Auriga
2026	Jul	08	00:00 PDT	23 days	07^h25^m42^s	+36°23'49"	05:07	13:10	21:14	24.1	Not observable	Auriga
2026	Jul	09	00:00 PDT	24 days	07^h25^m51^s	+36°23'31"	05:03	13:06	21:10	24.1	Not observable	Auriga
2026	Jul	10	00:00 PDT	25 days	07^h26^m00^s	+36°23'14"	04:59	13:03	21:06	24.1	Not observable	Auriga
2026	Jul	11	00:00 PDT	26 days	07^h26^m10^s	+36°22'57"	04:55	12:59	21:02	24.1	Not observable	Auriga
2026	Jul	12	00:00 PDT	27 days	07^h26^m19^s	+36°22'41"	04:52	12:55	20:59	24.1	Not observable	Auriga
2026	Jul	13	00:00 PDT	28 days	07^h26^m28^s	+36°22'25"	04:48	12:51	20:55	24.1	Not observable	Auriga
2026	Jul	14	00:00 PDT	29 days	07^h26^m37^s	+36°22'09"	04:44	12:48	20:51	24.1	Not observable	Auriga
2026	Jul	15	00:00 PDT	00 days	07^h26^m46^s	+36°21'54"	04:40	12:44	20:47	24.1	Not observable	Auriga
2026	Jul	16	00:00 PDT	01 days	07^h26^m55^s	+36°21'39"	04:37	12:40	20:43	24.1	Not observable	Auriga
2026	Jul	17	00:00 PDT	02 days	07^h27^m04^s	+36°21'25"	04:33	12:36	20:40	24.1	Not observable	Auriga
2026	Jul	18	00:00 PDT	03 days	07^h27^m13^s	+36°21'11"	04:29	12:32	20:36	24.1	Not observable	Auriga
2026	Jul	19	00:00 PDT	04 days	07^h27^m22^s	+36°20'58"	04:25	12:29	20:32	24.1	Not observable	Auriga
2026	Jul	20	00:00 PDT	05 days	07^h27^m31^s	+36°20'45"	04:22	12:25	20:28	24.1	Not observable	Auriga
2026	Jul	21	00:00 PDT	06 days	07^h27^m40^s	+36°20'32"	04:18	12:21	20:24	24.1	Not observable	Auriga
2026	Jul	22	00:00 PDT	07 days	07^h27^m49^s	+36°20'20"	04:14	12:17	20:21	24.1	Not observable	Auriga
2026	Jul	23	00:00 PDT	08 days	07^h27^m58^s	+36°20'09"	04:10	12:14	20:17	24.1	Not observable	Auriga
2026	Jul	24	00:00 PDT	09 days	07^h28^m07^s	+36°19'58"	04:07	12:10	20:13	24.1	Not observable	Auriga
2026	Jul	25	00:00 PDT	10 days	07^h28^m16^s	+36°19'47"	04:03	12:06	20:09	24.1	Not observable	Auriga
2026	Jul	26	00:00 PDT	11 days	07^h28^m25^s	+36°19'37"	03:59	12:02	20:05	24.1	Not observable	Auriga
2026	Jul	27	00:00 PDT	12 days	07^h28^m34^s	+36°19'27"	03:55	11:58	20:02	24.1	Not observable	Auriga
2026	Jul	28	00:00 PDT	13 days	07^h28^m43^s	+36°19'18"	03:51	11:55	19:58	24.1	Not observable	Auriga
2026	Jul	29	00:00 PDT	14 days	07^h28^m51^s	+36°19'09"	03:48	11:51	19:54	24.1	Not observable	Auriga
2026	Jul	30	00:00 PDT	15 days	07^h29^m00^s	+36°19'01"	03:44	11:47	19:50	24.1	Not observable	Auriga
2026	Jul	31	00:00 PDT	16 days	07^h29^m09^s	+36°18'53"	03:40	11:43	19:46	24.1	Not observable	Auriga
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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