Ephemeris for 21P/Giacobini-Zinner
Date			Age of	Right	Declination	Rise	Culm	Set	Approx	Observable	Constellation
			Moon	Ascension					Mag.	(hover mouse)
2018	Sep	09	00 days	05h49m09s	+33°52'34"	22:41	07:20	15:56	8.0	01:20 until 05:11	Auriga
2018	Sep	11	01 days	05h53m28s	+32°07'49"	22:53	07:21	15:45	8.0	01:27 until 05:12	Auriga
2018	Sep	12	02 days	05h57m37s	+30°22'36"	23:03	07:21	15:35	8.0	01:33 until 05:14	Auriga
2018	Sep	13	03 days	06h01m36s	+28°37'10"	23:14	07:21	15:25	8.0	01:39 until 05:15	Auriga
2018	Sep	14	04 days	06h05m27s	+26°51'45"	23:23	07:21	15:15	8.0	01:45 until 05:16	Gemini
2018	Sep	15	05 days	06h09m08s	+25°06'34"	23:32	07:21	15:06	8.0	01:51 until 05:17	Gemini
2018	Sep	16	06 days	06h12m42s	+23°21'51"	23:40	07:20	14:57	8.0	01:57 until 05:18	Gemini
2018	Sep	17	07 days	06h16m07s	+21°37'48"	23:47	07:20	14:48	8.0	02:02 until 05:20	Gemini
2018	Sep	18	08 days	06h19m26s	+19°54'37"	23:55	07:19	14:40	8.0	02:07 until 05:21	Orion
2018	Sep	19	09 days	06h22m37s	+18°12'29"	00:05	07:18	14:32	8.0	02:12 until 05:22	Gemini
2018	Sep	20	10 days	06h25m42s	+16°31'33"	00:11	07:18	14:24	8.1	02:17 until 05:23	Gemini
2018	Sep	21	10 days	06h28m40s	+14°51'58"	00:17	07:17	14:16	8.1	02:22 until 05:24	Gemini
2018	Sep	22	11 days	06h31m32s	+13°13'53"	00:23	07:15	14:08	8.1	02:27 until 05:25	Gemini
2018	Sep	23	12 days	06h34m18s	+11°37'23"	00:28	07:14	14:01	8.1	02:31 until 05:27	Monoceros
2018	Sep	24	13 days	06h36m59s	+10°02'36"	00:33	07:13	13:53	8.2	02:36 until 05:28	Monoceros
2018	Sep	25	14 days	06h39m34s	+08°29'36"	00:37	07:12	13:46	8.2	02:40 until 05:29	Monoceros
2018	Sep	26	15 days	06h42m05s	+06°58'27"	00:42	07:10	13:39	8.2	02:44 until 05:30	Monoceros
2018	Sep	27	16 days	06h44m30s	+05°29'12"	00:46	07:09	13:32	8.3	02:49 until 05:31	Monoceros
2018	Sep	28	17 days	06h46m50s	+04°01'53"	00:49	07:07	13:25	8.3	02:53 until 05:32	Monoceros
2018	Sep	29	18 days	06h49m06s	+02°36'33"	00:53	07:05	13:18	8.4	02:57 until 05:33	Monoceros
2018	Sep	30	19 days	06h51m17s	+01°13'12"	00:56	07:04	13:11	8.4	03:01 until 05:34	Monoceros
2018	Oct	01	20 days	06h53m24s	-00°08'09"	00:59	07:02	13:05	8.4	03:04 until 05:36	Monoceros
2018	Oct	02	21 days	06h55m26s	-01°27'32"	01:02	07:00	12:58	8.5	03:08 until 05:37	Monoceros
2018	Oct	03	22 days	06h57m25s	-02°44'56"	01:05	06:58	12:51	8.5	03:12 until 05:38	Monoceros
2018	Oct	04	23 days	06h59m19s	-04°00'22"	01:08	06:56	12:44	8.6	03:16 until 05:39	Monoceros
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