Ephemeris for C/2017 O1 (ASASSN)

by Dominic Ford

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All times computed for Cambridge (latitude 42.38°; longitude -71.11°) and expressed in Cambridge 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	22	00:00 EDT	04 days	13^h16^m20^s	−01°33'52"	17:58	23:55	05:53	26.1	20:45 until 03:47	Virgo
2026	Apr	23	00:00 EDT	05 days	13^h16^m10^s	−01°33'05"	17:54	23:51	05:49	26.1	20:47 until 03:43	Virgo
2026	Apr	24	00:00 EDT	06 days	13^h16^m00^s	−01°32'20"	17:50	23:47	05:45	26.1	20:48 until 03:39	Virgo
2026	Apr	25	00:00 EDT	07 days	13^h15^m50^s	−01°31'35"	17:46	23:43	05:41	26.1	20:49 until 03:35	Virgo
2026	Apr	26	00:00 EDT	08 days	13^h15^m41^s	−01°30'50"	17:41	23:39	05:37	26.1	20:51 until 03:31	Virgo
2026	Apr	27	00:00 EDT	09 days	13^h15^m31^s	−01°30'07"	17:37	23:35	05:33	26.1	20:52 until 03:27	Virgo
2026	Apr	28	00:00 EDT	10 days	13^h15^m22^s	−01°29'23"	17:33	23:31	05:28	26.1	20:54 until 03:23	Virgo
2026	Apr	29	00:00 EDT	11 days	13^h15^m12^s	−01°28'41"	17:29	23:27	05:24	26.1	20:55 until 03:19	Virgo
2026	Apr	30	00:00 EDT	12 days	13^h15^m03^s	−01°27'59"	17:25	23:23	05:20	26.1	20:57 until 03:14	Virgo
2026	May	01	00:00 EDT	13 days	13^h14^m53^s	−01°27'18"	17:21	23:19	05:16	26.1	20:58 until 03:10	Virgo
2026	May	02	00:00 EDT	14 days	13^h14^m44^s	−01°26'38"	17:17	23:14	05:12	26.1	21:00 until 03:06	Virgo
2026	May	03	00:00 EDT	15 days	13^h14^m35^s	−01°25'58"	17:13	23:10	05:08	26.1	21:01 until 03:02	Virgo
2026	May	04	00:00 EDT	16 days	13^h14^m26^s	−01°25'19"	17:08	23:06	05:04	26.1	21:02 until 02:58	Virgo
2026	May	05	00:00 EDT	17 days	13^h14^m17^s	−01°24'41"	17:04	23:02	05:00	26.1	21:04 until 02:54	Virgo
2026	May	06	00:00 EDT	18 days	13^h14^m08^s	−01°24'04"	17:00	22:58	04:56	26.1	21:05 until 02:50	Virgo
2026	May	07	00:00 EDT	19 days	13^h13^m59^s	−01°23'27"	16:56	22:54	04:52	26.1	21:07 until 02:46	Virgo
2026	May	08	00:00 EDT	20 days	13^h13^m50^s	−01°22'51"	16:52	22:50	04:48	26.1	21:08 until 02:42	Virgo
2026	May	09	00:00 EDT	21 days	13^h13^m42^s	−01°22'16"	16:48	22:46	04:44	26.1	21:10 until 02:38	Virgo
2026	May	10	00:00 EDT	22 days	13^h13^m33^s	−01°21'42"	16:44	22:42	04:40	26.1	21:11 until 02:34	Virgo
2026	May	11	00:00 EDT	23 days	13^h13^m24^s	−01°21'08"	16:40	22:38	04:36	26.1	21:12 until 02:30	Virgo
2026	May	12	00:00 EDT	24 days	13^h13^m16^s	−01°20'36"	16:36	22:34	04:32	26.1	21:14 until 02:26	Virgo
2026	May	13	00:00 EDT	25 days	13^h13^m08^s	−01°20'04"	16:31	22:30	04:28	26.1	21:15 until 02:22	Virgo
2026	May	14	00:00 EDT	26 days	13^h13^m00^s	−01°19'33"	16:27	22:26	04:24	26.1	21:17 until 02:18	Virgo
2026	May	15	00:00 EDT	27 days	13^h12^m51^s	−01°19'03"	16:23	22:22	04:20	26.1	21:18 until 02:14	Virgo
2026	May	16	00:00 EDT	28 days	13^h12^m43^s	−01°18'34"	16:19	22:17	04:16	26.1	21:19 until 02:10	Virgo
All times computed for Cambridge (latitude 42.38; longitude -71.11) and expressed in Cambridge time. All positions are in J2000.0 coordinates. Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php

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