Ephemeris for C/2021 O3 (PANSTARRS)

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All times computed for Cambridge (latitude 42.38°; longitude -71.11°) and expressed in Cambridge time.

Ephemeris for C/2021 O3 (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/2021 O3 (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
2025	May	09	02:00 EDT	11 days	19^h41^m57^s	+35°55'48"	20:25	05:16	14:07	22.7	23:08 until 04:09	Cygnus
2025	May	09	05:00 EDT	11 days	19^h41^m56^s	+35°56'15"	20:25	05:16	14:07	22.7	23:08 until 04:09	Cygnus
2025	May	09	08:00 EDT	11 days	19^h41^m55^s	+35°56'42"	20:25	05:16	14:07	22.7	23:08 until 04:09	Cygnus
2025	May	09	11:00 EDT	12 days	19^h41^m53^s	+35°57'09"	20:25	05:16	14:07	22.7	23:08 until 04:09	Cygnus
2025	May	09	14:00 EDT	12 days	19^h41^m52^s	+35°57'36"	20:25	05:16	14:07	22.7	23:08 until 04:09	Cygnus
2025	May	09	17:00 EDT	12 days	19^h41^m51^s	+35°58'03"	20:25	05:16	14:07	22.7	23:08 until 04:09	Cygnus
2025	May	09	20:00 EDT	12 days	19^h41^m50^s	+35°58'31"	20:25	05:16	14:07	22.7	23:08 until 04:09	Cygnus
2025	May	09	23:00 EDT	12 days	19^h41^m49^s	+35°58'57"	20:25	05:16	14:07	22.7	23:08 until 04:09	Cygnus
2025	May	10	02:00 EDT	12 days	19^h41^m48^s	+35°59'24"	20:21	05:12	14:03	22.7	23:04 until 04:07	Cygnus
2025	May	10	05:00 EDT	12 days	19^h41^m46^s	+35°59'51"	20:21	05:12	14:03	22.7	23:04 until 04:07	Cygnus
2025	May	10	08:00 EDT	12 days	19^h41^m45^s	+36°00'18"	20:21	05:12	14:03	22.7	23:04 until 04:07	Cygnus
2025	May	10	11:00 EDT	12 days	19^h41^m44^s	+36°00'45"	20:21	05:12	14:03	22.7	23:04 until 04:07	Cygnus
2025	May	10	14:00 EDT	13 days	19^h41^m43^s	+36°01'11"	20:21	05:12	14:03	22.7	23:04 until 04:07	Cygnus
2025	May	10	17:00 EDT	13 days	19^h41^m41^s	+36°01'38"	20:20	05:12	14:03	22.7	23:04 until 04:07	Cygnus
2025	May	10	20:00 EDT	13 days	19^h41^m40^s	+36°02'06"	20:20	05:12	14:03	22.7	23:03 until 04:07	Cygnus
2025	May	10	23:00 EDT	13 days	19^h41^m39^s	+36°02'32"	20:20	05:12	14:03	22.7	23:03 until 04:07	Cygnus
2025	May	11	02:00 EDT	13 days	19^h41^m38^s	+36°02'58"	20:16	05:08	14:00	22.7	22:59 until 04:06	Cygnus
2025	May	11	05:00 EDT	13 days	19^h41^m36^s	+36°03'25"	20:16	05:08	14:00	22.7	22:59 until 04:06	Cygnus
2025	May	11	08:00 EDT	13 days	19^h41^m35^s	+36°03'52"	20:16	05:08	14:00	22.7	22:59 until 04:06	Cygnus
2025	May	11	11:00 EDT	13 days	19^h41^m34^s	+36°04'18"	20:16	05:08	14:00	22.7	22:59 until 04:06	Cygnus
2025	May	11	14:00 EDT	13 days	19^h41^m32^s	+36°04'44"	20:16	05:08	14:00	22.7	22:59 until 04:06	Cygnus
2025	May	11	17:00 EDT	14 days	19^h41^m31^s	+36°05'10"	20:16	05:08	14:00	22.7	22:59 until 04:06	Cygnus
2025	May	11	20:00 EDT	14 days	19^h41^m30^s	+36°05'38"	20:16	05:08	14:00	22.7	22:59 until 04:06	Cygnus
2025	May	11	23:00 EDT	14 days	19^h41^m29^s	+36°06'04"	20:16	05:08	14:00	22.7	22:59 until 04:06	Cygnus
2025	May	12	02:00 EDT	14 days	19^h41^m27^s	+36°06'30"	20:12	05:04	13:56	22.7	22:55 until 04:04	Cygnus
All times computed for Cambridge (latitude 42.38; longitude -71.11) and expressed in Cambridge time. Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php

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