Ephemeris for C/1999 S4 (LINEAR)

by Dominic Ford

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All times computed for South El Monte (latitude 34.05°; longitude -118.05°) and expressed in South El Monte time.

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Ephemeris for C/1999 S4 (LINEAR)
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/1999 S4 (LINEAR)
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	Apr	10	00:00 PDT	22 days	07^h55^m11^s	−00°08'02"	13:27	19:30	01:32	24.6	20:20 until 23:42	Canis Minor
2026	Apr	10	03:00 PDT	22 days	07^h55^m11^s	−00°07'58"	13:27	19:30	01:32	24.6	20:20 until 23:42	Canis Minor
2026	Apr	10	06:00 PDT	22 days	07^h55^m11^s	−00°07'54"	13:27	19:30	01:32	24.6	20:20 until 23:42	Canis Minor
2026	Apr	10	09:00 PDT	22 days	07^h55^m11^s	−00°07'51"	13:27	19:30	01:32	24.6	20:20 until 23:42	Canis Minor
2026	Apr	10	12:00 PDT	22 days	07^h55^m11^s	−00°07'47"	13:27	19:30	01:32	24.6	20:20 until 23:42	Canis Minor
2026	Apr	10	15:00 PDT	22 days	07^h55^m11^s	−00°07'44"	13:27	19:30	01:32	24.6	20:20 until 23:42	Canis Minor
2026	Apr	10	18:00 PDT	22 days	07^h55^m10^s	−00°07'40"	13:27	19:30	01:32	24.6	20:20 until 23:42	Canis Minor
2026	Apr	10	21:00 PDT	23 days	07^h55^m10^s	−00°07'36"	13:27	19:30	01:32	24.6	20:20 until 23:42	Canis Minor
2026	Apr	11	00:00 PDT	23 days	07^h55^m10^s	−00°07'33"	13:23	19:26	01:28	24.6	20:21 until 23:38	Canis Minor
2026	Apr	11	03:00 PDT	23 days	07^h55^m10^s	−00°07'29"	13:23	19:26	01:28	24.6	20:21 until 23:38	Canis Minor
2026	Apr	11	06:00 PDT	23 days	07^h55^m10^s	−00°07'25"	13:23	19:26	01:28	24.6	20:21 until 23:38	Canis Minor
2026	Apr	11	09:00 PDT	23 days	07^h55^m10^s	−00°07'22"	13:23	19:26	01:28	24.6	20:21 until 23:38	Canis Minor
2026	Apr	11	12:00 PDT	23 days	07^h55^m10^s	−00°07'18"	13:23	19:26	01:28	24.6	20:21 until 23:38	Canis Minor
2026	Apr	11	15:00 PDT	23 days	07^h55^m10^s	−00°07'15"	13:23	19:26	01:28	24.6	20:21 until 23:38	Canis Minor
2026	Apr	11	18:00 PDT	23 days	07^h55^m10^s	−00°07'11"	13:23	19:26	01:28	24.6	20:21 until 23:38	Canis Minor
2026	Apr	11	21:00 PDT	24 days	07^h55^m10^s	−00°07'07"	13:23	19:26	01:28	24.6	20:21 until 23:38	Canis Minor
2026	Apr	12	00:00 PDT	24 days	07^h55^m10^s	−00°07'04"	13:19	19:22	01:24	24.6	20:22 until 23:34	Canis Minor
2026	Apr	12	03:00 PDT	24 days	07^h55^m10^s	−00°07'00"	13:19	19:22	01:24	24.6	20:22 until 23:34	Canis Minor
2026	Apr	12	06:00 PDT	24 days	07^h55^m09^s	−00°06'57"	13:19	19:22	01:24	24.6	20:22 until 23:34	Canis Minor
2026	Apr	12	09:00 PDT	24 days	07^h55^m09^s	−00°06'53"	13:19	19:22	01:24	24.6	20:22 until 23:34	Canis Minor
2026	Apr	12	12:00 PDT	24 days	07^h55^m09^s	−00°06'49"	13:19	19:22	01:24	24.6	20:22 until 23:34	Canis Minor
2026	Apr	12	15:00 PDT	24 days	07^h55^m09^s	−00°06'46"	13:19	19:22	01:24	24.6	20:22 until 23:34	Canis Minor
2026	Apr	12	18:00 PDT	24 days	07^h55^m09^s	−00°06'42"	13:19	19:22	01:24	24.6	20:22 until 23:34	Canis Minor
2026	Apr	12	21:00 PDT	25 days	07^h55^m09^s	−00°06'39"	13:19	19:22	01:24	24.6	20:22 until 23:34	Canis Minor
2026	Apr	13	00:00 PDT	25 days	07^h55^m09^s	−00°06'35"	13:15	19:18	01:20	24.6	20:22 until 23:30	Canis Minor
All times computed for South El Monte (latitude 34.05; longitude -118.05) and expressed in South El Monte time. All positions are in J2000.0 coordinates. Ephemeris by Dominic Ford – https://in-the-sky.org/ephemeris.php

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