Ephemeris for 21P/Giacobini-Zinner
Date			Age of	Right	Declination	Rise	Culm	Set	Approx	Observable	Constellation
			Moon	Ascension					Mag.	(hover mouse)
2018	Sep	11	02 days	05h56m37s	+30°24'41"	22:54	07:43	16:28	8.0	01:43 until 05:23	Auriga
2018	Sep	13	03 days	06h00m36s	+28°38'24"	23:07	07:43	16:15	8.0	01:51 until 05:24	Auriga
2018	Sep	14	04 days	06h04m27s	+26°52'07"	23:20	07:43	16:03	8.0	01:59 until 05:26	Gemini
2018	Sep	15	05 days	06h08m09s	+25°06'04"	23:31	07:43	15:51	8.0	02:06 until 05:27	Gemini
2018	Sep	16	06 days	06h11m43s	+23°20'29"	23:42	07:42	15:40	8.0	02:13 until 05:29	Gemini
2018	Sep	17	07 days	06h15m09s	+21°35'36"	23:51	07:42	15:29	8.0	02:20 until 05:30	Gemini
2018	Sep	18	08 days	06h18m27s	+19°51'35"	00:04	07:41	15:19	8.0	02:26 until 05:32	Orion
2018	Sep	19	09 days	06h21m38s	+18°08'38"	00:13	07:41	15:09	8.0	02:33 until 05:33	Gemini
2018	Sep	20	10 days	06h24m43s	+16°26'54"	00:21	07:40	14:59	8.1	02:39 until 05:35	Orion
2018	Sep	21	10 days	06h27m41s	+14°46'34"	00:28	07:39	14:50	8.1	02:45 until 05:36	Gemini
2018	Sep	22	11 days	06h30m33s	+13°07'45"	00:35	07:38	14:40	8.1	02:51 until 05:38	Gemini
2018	Sep	23	12 days	06h33m19s	+11°30'34"	00:41	07:37	14:32	8.1	02:57 until 05:39	Monoceros
2018	Sep	24	13 days	06h36m00s	+09°55'07"	00:48	07:35	14:23	8.2	03:03 until 05:41	Monoceros
2018	Sep	25	14 days	06h38m35s	+08°21'29"	00:53	07:34	14:14	8.2	03:08 until 05:42	Monoceros
2018	Sep	26	15 days	06h41m05s	+06°49'45"	00:59	07:32	14:06	8.2	03:14 until 05:43	Monoceros
2018	Sep	27	16 days	06h43m30s	+05°19'57"	01:04	07:31	13:58	8.3	03:19 until 05:45	Monoceros
2018	Sep	28	17 days	06h45m49s	+03°52'07"	01:09	07:29	13:50	8.3	03:25 until 05:46	Monoceros
2018	Sep	29	18 days	06h48m05s	+02°26'18"	01:14	07:28	13:42	8.4	03:30 until 05:48	Monoceros
2018	Sep	30	19 days	06h50m15s	+01°02'31"	01:18	07:26	13:34	8.4	03:35 until 05:49	Monoceros
2018	Oct	01	20 days	06h52m22s	-00°19'14"	01:22	07:24	13:26	8.4	03:41 until 05:51	Monoceros
2018	Oct	02	21 days	06h54m24s	-01°38'59"	01:26	07:22	13:18	8.5	03:46 until 05:52	Monoceros
2018	Oct	03	22 days	06h56m21s	-02°56'43"	01:30	07:20	13:11	8.5	03:51 until 05:53	Monoceros
2018	Oct	04	23 days	06h58m15s	-04°12'28"	01:33	07:18	13:03	8.6	03:57 until 05:55	Monoceros
2018	Oct	05	24 days	07h00m04s	-05°26'15"	01:37	07:16	12:55	8.6	04:02 until 05:56	Monoceros
2018	Oct	06	26 days	07h01m50s	-06°38'06"	01:40	07:14	12:48	8.7	04:07 until 05:58	Monoceros
All times computed for Seattle (latitude 47.61; longitude -122.33) and expressed in Seattle time. Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php