Ephemeris for 103P/Hartley

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 103P/Hartley
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 103P/Hartley
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	Jun	06	00:00 PDT	20 days	13^h30^m20^s	−11°28'42"	15:48	21:20	02:51	27.2	21:11 until 00:53	Virgo
2026	Jun	07	00:00 PDT	21 days	13^h30^m03^s	−11°26'09"	15:44	21:15	02:47	27.2	21:12 until 00:49	Virgo
2026	Jun	08	00:00 PDT	22 days	13^h29^m48^s	−11°23'39"	15:40	21:11	02:43	27.2	21:12 until 00:45	Virgo
2026	Jun	09	00:00 PDT	23 days	13^h29^m33^s	−11°21'13"	15:35	21:07	02:39	27.2	21:13 until 00:41	Virgo
2026	Jun	10	00:00 PDT	24 days	13^h29^m19^s	−11°18'51"	15:31	21:03	02:35	27.2	21:14 until 00:37	Virgo
2026	Jun	11	00:00 PDT	25 days	13^h29^m05^s	−11°16'33"	15:27	20:59	02:31	27.2	21:14 until 00:33	Virgo
2026	Jun	12	00:00 PDT	26 days	13^h28^m52^s	−11°14'19"	15:23	20:55	02:27	27.3	21:15 until 00:29	Virgo
2026	Jun	13	00:00 PDT	27 days	13^h28^m40^s	−11°12'10"	15:18	20:51	02:23	27.3	21:15 until 00:25	Virgo
2026	Jun	14	00:00 PDT	28 days	13^h28^m29^s	−11°10'04"	15:14	20:46	02:19	27.3	21:16 until 00:21	Virgo
2026	Jun	15	00:00 PDT	00 days	13^h28^m18^s	−11°08'02"	15:10	20:42	02:15	27.3	21:16 until 00:17	Virgo
2026	Jun	16	00:00 PDT	01 days	13^h28^m08^s	−11°06'05"	15:06	20:38	02:11	27.3	21:16 until 00:13	Virgo
2026	Jun	17	00:00 PDT	02 days	13^h27^m59^s	−11°04'12"	15:02	20:34	02:07	27.3	21:17 until 00:09	Virgo
2026	Jun	18	00:00 PDT	03 days	13^h27^m50^s	−11°02'22"	14:57	20:30	02:03	27.3	21:17 until 00:05	Virgo
2026	Jun	19	00:00 PDT	04 days	13^h27^m42^s	−11°00'38"	14:53	20:26	01:59	27.3	21:17 until 00:01	Virgo
2026	Jun	20	00:00 PDT	05 days	13^h27^m34^s	−10°58'57"	14:49	20:22	01:55	27.3	21:17 until 23:57	Virgo
2026	Jun	21	00:00 PDT	06 days	13^h27^m28^s	−10°57'20"	14:45	20:18	01:51	27.3	21:18 until 23:53	Virgo
2026	Jun	22	00:00 PDT	07 days	13^h27^m22^s	−10°55'48"	14:41	20:14	01:47	27.3	21:18 until 23:49	Virgo
2026	Jun	23	00:00 PDT	08 days	13^h27^m17^s	−10°54'20"	14:37	20:10	01:43	27.3	21:18 until 23:45	Virgo
2026	Jun	24	00:00 PDT	09 days	13^h27^m12^s	−10°52'56"	14:33	20:06	01:39	27.4	21:18 until 23:41	Virgo
2026	Jun	25	00:00 PDT	10 days	13^h27^m08^s	−10°51'36"	14:29	20:02	01:35	27.4	21:18 until 23:37	Virgo
2026	Jun	26	00:00 PDT	11 days	13^h27^m05^s	−10°50'20"	14:25	19:58	01:31	27.4	21:18 until 23:33	Virgo
2026	Jun	27	00:00 PDT	12 days	13^h27^m02^s	−10°49'09"	14:21	19:54	01:27	27.4	21:18 until 23:29	Virgo
2026	Jun	28	00:00 PDT	13 days	13^h27^m00^s	−10°48'02"	14:17	19:50	01:23	27.4	21:18 until 23:25	Virgo
2026	Jun	29	00:00 PDT	14 days	13^h26^m59^s	−10°46'58"	14:13	19:46	01:19	27.4	21:18 until 23:22	Virgo
2026	Jun	30	00:00 PDT	15 days	13^h26^m58^s	−10°45'59"	14:09	19:42	01:15	27.4	21:18 until 23:18	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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