Ephemeris for C/2025 T1 (ATLAS)

by Dominic Ford

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You are welcome to reproduce the data below for non-profit purposes , providing you credit In-The-Sky.org.

It is also available in CSV (i.e. spreadsheet) and plain text format for easy pasting into other programs.

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/2025 T1 (ATLAS)
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/2025 T1 (ATLAS)
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	Aug	13	00:00 PDT	00 days	18^h45^m15^s	−70°15'02"	Below horizon			17.7	Not observable	Pavo
2026	Aug	14	00:00 PDT	01 days	18^h41^m42^s	−70°09'42"	Below horizon			17.7	Not observable	Pavo
2026	Aug	15	00:00 PDT	02 days	18^h38^m17^s	−70°04'01"	Below horizon			17.8	Not observable	Pavo
2026	Aug	16	00:00 PDT	03 days	18^h34^m59^s	−69°57'59"	Below horizon			17.8	Not observable	Pavo
2026	Aug	17	00:00 PDT	04 days	18^h31^m48^s	−69°51'39"	Below horizon			17.8	Not observable	Pavo
2026	Aug	18	00:00 PDT	05 days	18^h28^m45^s	−69°45'02"	Below horizon			17.9	Not observable	Pavo
2026	Aug	19	00:00 PDT	06 days	18^h25^m48^s	−69°38'09"	Below horizon			17.9	Not observable	Pavo
2026	Aug	20	00:00 PDT	07 days	18^h22^m58^s	−69°31'03"	Below horizon			17.9	Not observable	Pavo
2026	Aug	21	00:00 PDT	08 days	18^h20^m15^s	−69°23'44"	Below horizon			17.9	Not observable	Pavo
2026	Aug	22	00:00 PDT	09 days	18^h17^m39^s	−69°16'14"	Below horizon			18.0	Not observable	Pavo
2026	Aug	23	00:00 PDT	10 days	18^h15^m10^s	−69°08'33"	Below horizon			18.0	Not observable	Pavo
2026	Aug	24	00:00 PDT	11 days	18^h12^m47^s	−69°00'44"	Below horizon			18.0	Not observable	Apus
2026	Aug	25	00:00 PDT	12 days	18^h10^m31^s	−68°52'47"	Below horizon			18.1	Not observable	Apus
2026	Aug	26	00:00 PDT	13 days	18^h08^m21^s	−68°44'44"	Below horizon			18.1	Not observable	Apus
2026	Aug	27	00:00 PDT	14 days	18^h06^m17^s	−68°36'35"	Below horizon			18.1	Not observable	Apus
2026	Aug	28	00:00 PDT	15 days	18^h04^m19^s	−68°28'21"	Below horizon			18.2	Not observable	Apus
2026	Aug	29	00:00 PDT	16 days	18^h02^m27^s	−68°20'04"	Below horizon			18.2	Not observable	Apus
2026	Aug	30	00:00 PDT	17 days	18^h00^m40^s	−68°11'43"	Below horizon			18.2	Not observable	Apus
2026	Aug	31	00:00 PDT	18 days	17^h58^m59^s	−68°03'21"	Below horizon			18.2	Not observable	Apus
2026	Sep	01	00:00 PDT	19 days	17^h57^m23^s	−67°54'57"	Below horizon			18.3	Not observable	Apus
2026	Sep	02	00:00 PDT	20 days	17^h55^m53^s	−67°46'32"	Below horizon			18.3	Not observable	Apus
2026	Sep	03	00:00 PDT	21 days	17^h54^m27^s	−67°38'07"	Below horizon			18.3	Not observable	Apus
2026	Sep	04	00:00 PDT	22 days	17^h53^m06^s	−67°29'43"	Below horizon			18.4	Not observable	Pavo
2026	Sep	05	00:00 PDT	23 days	17^h51^m51^s	−67°21'20"	Below horizon			18.4	Not observable	Pavo
2026	Sep	06	00:00 PDT	24 days	17^h50^m39^s	−67°12'58"	Below horizon			18.4	Not observable	Pavo
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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