Ephemeris for 73P/Schwassmann-Wachmann

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 73P/Schwassmann-Wachmann
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 73P/Schwassmann-Wachmann
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	Jul	17	00:00 EDT	02 days	07^h32^m03^s	+26°05'57"	04:44	12:34	20:24	26.3	Not observable	Gemini
2026	Jul	18	00:00 EDT	03 days	07^h33^m04^s	+26°03'59"	04:41	12:31	20:21	26.3	Not observable	Gemini
2026	Jul	19	00:00 EDT	04 days	07^h34^m05^s	+26°01'59"	04:38	12:28	20:18	26.2	Not observable	Gemini
2026	Jul	20	00:00 EDT	05 days	07^h35^m07^s	+25°59'59"	04:36	12:25	20:15	26.2	Not observable	Gemini
2026	Jul	21	00:00 EDT	06 days	07^h36^m08^s	+25°57'58"	04:33	12:22	20:12	26.2	Not observable	Gemini
2026	Jul	22	00:00 EDT	07 days	07^h37^m09^s	+25°55'56"	04:30	12:19	20:09	26.2	Not observable	Gemini
2026	Jul	23	00:00 EDT	08 days	07^h38^m11^s	+25°53'53"	04:27	12:16	20:05	26.2	Not observable	Gemini
2026	Jul	24	00:00 EDT	09 days	07^h39^m12^s	+25°51'50"	04:25	12:14	20:02	26.2	Not observable	Gemini
2026	Jul	25	00:00 EDT	10 days	07^h40^m13^s	+25°49'45"	04:22	12:11	19:59	26.2	Not observable	Gemini
2026	Jul	26	00:00 EDT	11 days	07^h41^m15^s	+25°47'40"	04:19	12:08	19:56	26.2	Not observable	Gemini
2026	Jul	27	00:00 EDT	12 days	07^h42^m16^s	+25°45'34"	04:16	12:05	19:53	26.2	Not observable	Gemini
2026	Jul	28	00:00 EDT	13 days	07^h43^m17^s	+25°43'27"	04:14	12:02	19:50	26.2	Not observable	Gemini
2026	Jul	29	00:00 EDT	14 days	07^h44^m19^s	+25°41'19"	04:11	11:59	19:47	26.2	Not observable	Gemini
2026	Jul	30	00:00 EDT	15 days	07^h45^m20^s	+25°39'11"	04:08	11:56	19:44	26.1	Not observable	Gemini
2026	Jul	31	00:00 EDT	16 days	07^h46^m21^s	+25°37'02"	04:06	11:53	19:41	26.1	Not observable	Gemini
2026	Aug	01	00:00 EDT	17 days	07^h47^m22^s	+25°34'52"	04:03	11:50	19:38	26.1	Not observable	Gemini
2026	Aug	02	00:00 EDT	18 days	07^h48^m24^s	+25°32'42"	04:00	11:47	19:35	26.1	Not observable	Gemini
2026	Aug	03	00:00 EDT	19 days	07^h49^m25^s	+25°30'31"	03:57	11:44	19:31	26.1	Not observable	Gemini
2026	Aug	04	00:00 EDT	20 days	07^h50^m26^s	+25°28'19"	03:55	11:41	19:28	26.1	Not observable	Gemini
2026	Aug	05	00:00 EDT	21 days	07^h51^m27^s	+25°26'06"	03:52	11:39	19:25	26.1	Not observable	Gemini
2026	Aug	06	00:00 EDT	22 days	07^h52^m28^s	+25°23'53"	03:49	11:36	19:22	26.1	Not observable	Gemini
2026	Aug	07	00:00 EDT	23 days	07^h53^m29^s	+25°21'39"	03:46	11:33	19:19	26.1	Not observable	Gemini
2026	Aug	08	00:00 EDT	24 days	07^h54^m30^s	+25°19'25"	03:44	11:30	19:16	26.0	Not observable	Gemini
2026	Aug	09	00:00 EDT	25 days	07^h55^m30^s	+25°17'10"	03:41	11:27	19:13	26.0	Not observable	Gemini
2026	Aug	10	00:00 EDT	26 days	07^h56^m31^s	+25°14'55"	03:38	11:24	19:10	26.0	Not observable	Gemini
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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