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 Cambridge (latitude 42.38°; longitude -71.11°) and expressed in Cambridge time.

Begin typing the name of a town near to you, and then select the town from the list of options which appear below.

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	15	00:00 EDT	02 days	18^h38^m42^s	−70°04'44"	Below horizon			17.8	Not observable	Pavo
2026	Aug	16	00:00 EDT	03 days	18^h35^m23^s	−69°58'45"	Below horizon			17.8	Not observable	Pavo
2026	Aug	17	00:00 EDT	04 days	18^h32^m12^s	−69°52'27"	Below horizon			17.8	Not observable	Pavo
2026	Aug	18	00:00 EDT	05 days	18^h29^m07^s	−69°45'52"	Below horizon			17.9	Not observable	Pavo
2026	Aug	19	00:00 EDT	06 days	18^h26^m10^s	−69°39'02"	Below horizon			17.9	Not observable	Pavo
2026	Aug	20	00:00 EDT	07 days	18^h23^m19^s	−69°31'57"	Below horizon			17.9	Not observable	Pavo
2026	Aug	21	00:00 EDT	08 days	18^h20^m35^s	−69°24'39"	Below horizon			17.9	Not observable	Pavo
2026	Aug	22	00:00 EDT	09 days	18^h17^m59^s	−69°17'10"	Below horizon			18.0	Not observable	Pavo
2026	Aug	23	00:00 EDT	10 days	18^h15^m29^s	−69°09'31"	Below horizon			18.0	Not observable	Pavo
2026	Aug	24	00:00 EDT	11 days	18^h13^m05^s	−69°01'43"	Below horizon			18.0	Not observable	Apus
2026	Aug	25	00:00 EDT	12 days	18^h10^m48^s	−68°53'47"	Below horizon			18.1	Not observable	Apus
2026	Aug	26	00:00 EDT	13 days	18^h08^m37^s	−68°45'45"	Below horizon			18.1	Not observable	Apus
2026	Aug	27	00:00 EDT	14 days	18^h06^m32^s	−68°37'36"	Below horizon			18.1	Not observable	Apus
2026	Aug	28	00:00 EDT	15 days	18^h04^m33^s	−68°29'23"	Below horizon			18.2	Not observable	Apus
2026	Aug	29	00:00 EDT	16 days	18^h02^m40^s	−68°21'06"	Below horizon			18.2	Not observable	Apus
2026	Aug	30	00:00 EDT	17 days	18^h00^m53^s	−68°12'46"	Below horizon			18.2	Not observable	Apus
2026	Aug	31	00:00 EDT	18 days	17^h59^m11^s	−68°04'24"	Below horizon			18.2	Not observable	Apus
2026	Sep	01	00:00 EDT	19 days	17^h57^m35^s	−67°56'00"	Below horizon			18.3	Not observable	Apus
2026	Sep	02	00:00 EDT	20 days	17^h56^m04^s	−67°47'35"	Below horizon			18.3	Not observable	Apus
2026	Sep	03	00:00 EDT	21 days	17^h54^m37^s	−67°39'10"	Below horizon			18.3	Not observable	Apus
2026	Sep	04	00:00 EDT	22 days	17^h53^m16^s	−67°30'46"	Below horizon			18.4	Not observable	Pavo
2026	Sep	05	00:00 EDT	23 days	17^h52^m00^s	−67°22'22"	Below horizon			18.4	Not observable	Pavo
2026	Sep	06	00:00 EDT	24 days	17^h50^m48^s	−67°14'00"	Below horizon			18.4	Not observable	Pavo
2026	Sep	07	00:00 EDT	25 days	17^h49^m41^s	−67°05'40"	Below horizon			18.4	Not observable	Pavo
2026	Sep	08	00:00 EDT	26 days	17^h48^m38^s	−66°57'23"	Below horizon			18.5	Not observable	Pavo
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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