Ephemeris for C/2017 O1 (ASASSN)

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/2017 O1 (ASASSN)
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/2017 O1 (ASASSN)
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	Apr	29	00:00 PDT	11 days	13^h15^m11^s	−01°28'36"	17:35	23:34	05:33	26.1	20:38 until 03:42	Virgo
2026	Apr	29	03:00 PDT	11 days	13^h15^m10^s	−01°28'30"	17:35	23:34	05:33	26.1	20:38 until 03:42	Virgo
2026	Apr	29	06:00 PDT	12 days	13^h15^m09^s	−01°28'25"	17:35	23:34	05:33	26.1	20:38 until 03:42	Virgo
2026	Apr	29	09:00 PDT	12 days	13^h15^m07^s	−01°28'20"	17:35	23:34	05:33	26.1	20:38 until 03:42	Virgo
2026	Apr	29	12:00 PDT	12 days	13^h15^m06^s	−01°28'15"	17:35	23:34	05:33	26.1	20:38 until 03:42	Virgo
2026	Apr	29	15:00 PDT	12 days	13^h15^m05^s	−01°28'10"	17:35	23:34	05:33	26.1	20:38 until 03:42	Virgo
2026	Apr	29	18:00 PDT	12 days	13^h15^m04^s	−01°28'04"	17:35	23:34	05:33	26.1	20:38 until 03:42	Virgo
2026	Apr	29	21:00 PDT	12 days	13^h15^m03^s	−01°27'59"	17:35	23:34	05:33	26.1	20:38 until 03:42	Virgo
2026	Apr	30	00:00 PDT	12 days	13^h15^m02^s	−01°27'54"	17:31	23:30	05:29	26.1	20:39 until 03:38	Virgo
2026	Apr	30	03:00 PDT	12 days	13^h15^m00^s	−01°27'49"	17:31	23:30	05:29	26.1	20:39 until 03:38	Virgo
2026	Apr	30	06:00 PDT	13 days	13^h14^m59^s	−01°27'44"	17:31	23:30	05:29	26.1	20:39 until 03:38	Virgo
2026	Apr	30	09:00 PDT	13 days	13^h14^m58^s	−01°27'39"	17:31	23:30	05:29	26.1	20:39 until 03:38	Virgo
2026	Apr	30	12:00 PDT	13 days	13^h14^m57^s	−01°27'33"	17:31	23:30	05:29	26.1	20:39 until 03:38	Virgo
2026	Apr	30	15:00 PDT	13 days	13^h14^m56^s	−01°27'28"	17:31	23:30	05:29	26.1	20:39 until 03:38	Virgo
2026	Apr	30	18:00 PDT	13 days	13^h14^m55^s	−01°27'23"	17:31	23:30	05:29	26.1	20:39 until 03:38	Virgo
2026	Apr	30	21:00 PDT	13 days	13^h14^m53^s	−01°27'18"	17:31	23:30	05:29	26.1	20:39 until 03:38	Virgo
2026	May	01	00:00 PDT	13 days	13^h14^m52^s	−01°27'13"	17:27	23:26	05:25	26.1	20:40 until 03:34	Virgo
2026	May	01	03:00 PDT	13 days	13^h14^m51^s	−01°27'08"	17:27	23:26	05:25	26.1	20:40 until 03:34	Virgo
2026	May	01	06:00 PDT	14 days	13^h14^m50^s	−01°27'03"	17:27	23:26	05:25	26.1	20:40 until 03:34	Virgo
2026	May	01	09:00 PDT	14 days	13^h14^m49^s	−01°26'58"	17:27	23:26	05:25	26.1	20:40 until 03:34	Virgo
2026	May	01	12:00 PDT	14 days	13^h14^m48^s	−01°26'53"	17:27	23:26	05:25	26.1	20:40 until 03:34	Virgo
2026	May	01	15:00 PDT	14 days	13^h14^m47^s	−01°26'48"	17:27	23:26	05:25	26.1	20:40 until 03:34	Virgo
2026	May	01	18:00 PDT	14 days	13^h14^m45^s	−01°26'43"	17:27	23:26	05:25	26.1	20:40 until 03:34	Virgo
2026	May	01	21:00 PDT	14 days	13^h14^m44^s	−01°26'38"	17:27	23:26	05:25	26.1	20:40 until 03:34	Virgo
2026	May	02	00:00 PDT	14 days	13^h14^m43^s	−01°26'33"	17:23	23:22	05:21	26.1	20:40 until 03:30	Virgo
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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