Ephemeris for C/2025 R3 (PANSTARRS)

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/2025 R3 (PANSTARRS)
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/2025 R3 (PANSTARRS)
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	17	00:00 EDT	02 days	06^h54^m51^s	−11°18'05"	08:34	13:55	19:16	9.4	Not observable	Canis Major
2026	Jun	18	00:00 EDT	03 days	06^h55^m51^s	−11°21'14"	08:31	13:52	19:13	9.4	Not observable	Canis Major
2026	Jun	19	00:00 EDT	04 days	06^h56^m49^s	−11°24'28"	08:28	13:49	19:10	9.5	Not observable	Canis Major
2026	Jun	20	00:00 EDT	05 days	06^h57^m47^s	−11°27'46"	08:25	13:46	19:06	9.5	Not observable	Canis Major
2026	Jun	21	00:00 EDT	06 days	06^h58^m43^s	−11°31'09"	08:23	13:43	19:03	9.5	Not observable	Canis Major
2026	Jun	22	00:00 EDT	07 days	06^h59^m39^s	−11°34'36"	08:20	13:40	19:00	9.6	Not observable	Canis Major
2026	Jun	23	00:00 EDT	08 days	07^h00^m34^s	−11°38'08"	08:17	13:37	18:57	9.6	Not observable	Canis Major
2026	Jun	24	00:00 EDT	09 days	07^h01^m28^s	−11°41'46"	08:14	13:34	18:54	9.7	Not observable	Canis Major
2026	Jun	25	00:00 EDT	10 days	07^h02^m21^s	−11°45'28"	08:11	13:31	18:50	9.7	Not observable	Canis Major
2026	Jun	26	00:00 EDT	11 days	07^h03^m13^s	−11°49'16"	08:09	13:28	18:47	9.8	Not observable	Canis Major
2026	Jun	27	00:00 EDT	12 days	07^h04^m04^s	−11°53'09"	08:06	13:25	18:44	9.8	Not observable	Canis Major
2026	Jun	28	00:00 EDT	13 days	07^h04^m55^s	−11°57'08"	08:03	13:22	18:40	9.8	Not observable	Canis Major
2026	Jun	29	00:00 EDT	14 days	07^h05^m45^s	−12°01'12"	08:00	13:18	18:37	9.9	Not observable	Canis Major
2026	Jun	30	00:00 EDT	15 days	07^h06^m34^s	−12°05'22"	07:57	13:15	18:33	9.9	Not observable	Canis Major
2026	Jul	01	00:00 EDT	16 days	07^h07^m22^s	−12°09'38"	07:54	13:12	18:30	9.9	Not observable	Canis Major
2026	Jul	02	00:00 EDT	17 days	07^h08^m10^s	−12°13'59"	07:52	13:09	18:27	10.0	Not observable	Canis Major
2026	Jul	03	00:00 EDT	18 days	07^h08^m57^s	−12°18'26"	07:49	13:06	18:23	10.0	Not observable	Canis Major
2026	Jul	04	00:00 EDT	19 days	07^h09^m44^s	−12°22'59"	07:46	13:03	18:20	10.1	Not observable	Canis Major
2026	Jul	05	00:00 EDT	20 days	07^h10^m30^s	−12°27'37"	07:43	13:00	18:16	10.1	Not observable	Canis Major
2026	Jul	06	00:00 EDT	21 days	07^h11^m15^s	−12°32'22"	07:40	12:56	18:13	10.1	Not observable	Canis Major
2026	Jul	07	00:00 EDT	22 days	07^h12^m00^s	−12°37'13"	07:37	12:53	18:09	10.2	Not observable	Canis Major
2026	Jul	08	00:00 EDT	23 days	07^h12^m44^s	−12°42'10"	07:34	12:50	18:06	10.2	Not observable	Canis Major
2026	Jul	09	00:00 EDT	24 days	07^h13^m28^s	−12°47'13"	07:31	12:47	18:02	10.2	Not observable	Canis Major
2026	Jul	10	00:00 EDT	25 days	07^h14^m10^s	−12°52'23"	07:29	12:44	17:59	10.3	Not observable	Canis Major
2026	Jul	11	00:00 EDT	26 days	07^h14^m53^s	−12°57'38"	07:26	12:40	17:55	10.3	Not observable	Canis Major
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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