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	07	03:00 PDT	22 days	07^h25^m34^s	+36°24'05"	05:11	13:14	21:18	24.1	Not observable	Auriga
2026	Jul	07	06:00 PDT	22 days	07^h25^m35^s	+36°24'03"	05:11	13:14	21:18	24.1	Not observable	Auriga
2026	Jul	07	09:00 PDT	22 days	07^h25^m37^s	+36°24'01"	05:11	13:14	21:18	24.1	Not observable	Auriga
2026	Jul	07	12:00 PDT	22 days	07^h25^m38^s	+36°23'58"	05:11	13:14	21:18	24.1	Not observable	Auriga
2026	Jul	07	15:00 PDT	22 days	07^h25^m39^s	+36°23'56"	05:11	13:14	21:18	24.1	Not observable	Auriga
2026	Jul	07	18:00 PDT	22 days	07^h25^m40^s	+36°23'54"	05:11	13:14	21:18	24.1	Not observable	Auriga
2026	Jul	07	21:00 PDT	23 days	07^h25^m41^s	+36°23'51"	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	08	03:00 PDT	23 days	07^h25^m43^s	+36°23'47"	05:07	13:10	21:14	24.1	Not observable	Auriga
2026	Jul	08	06:00 PDT	23 days	07^h25^m45^s	+36°23'45"	05:07	13:10	21:14	24.1	Not observable	Auriga
2026	Jul	08	09:00 PDT	23 days	07^h25^m46^s	+36°23'43"	05:07	13:10	21:14	24.1	Not observable	Auriga
2026	Jul	08	12:00 PDT	23 days	07^h25^m47^s	+36°23'40"	05:07	13:10	21:14	24.1	Not observable	Auriga
2026	Jul	08	15:00 PDT	23 days	07^h25^m48^s	+36°23'38"	05:07	13:10	21:14	24.1	Not observable	Auriga
2026	Jul	08	18:00 PDT	23 days	07^h25^m49^s	+36°23'36"	05:07	13:10	21:14	24.1	Not observable	Auriga
2026	Jul	08	21:00 PDT	24 days	07^h25^m50^s	+36°23'34"	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	09	03:00 PDT	24 days	07^h25^m53^s	+36°23'29"	05:03	13:06	21:10	24.1	Not observable	Auriga
2026	Jul	09	06:00 PDT	24 days	07^h25^m54^s	+36°23'27"	05:03	13:06	21:10	24.1	Not observable	Auriga
2026	Jul	09	09:00 PDT	24 days	07^h25^m55^s	+36°23'25"	05:03	13:07	21:10	24.1	Not observable	Auriga
2026	Jul	09	12:00 PDT	24 days	07^h25^m56^s	+36°23'23"	05:03	13:07	21:10	24.1	Not observable	Auriga
2026	Jul	09	15:00 PDT	24 days	07^h25^m57^s	+36°23'21"	05:03	13:07	21:10	24.1	Not observable	Auriga
2026	Jul	09	18:00 PDT	24 days	07^h25^m58^s	+36°23'19"	05:03	13:07	21:10	24.1	Not observable	Auriga
2026	Jul	09	21:00 PDT	25 days	07^h25^m59^s	+36°23'16"	05:03	13:07	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
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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