Ephemeris for C/2009 F6 (Yi-SWAN)

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.

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/2009 F6 (Yi-SWAN)
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/2009 F6 (Yi-SWAN)
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
2025	Dec	15	00:00 PST	25 days	07^h36^m10^s	−86°17'12"	Below horizon			33.1	Not observable	Octans
2025	Dec	15	03:00 PST	25 days	07^h35^m58^s	−86°17'19"	Below horizon			33.1	Not observable	Octans
2025	Dec	15	06:00 PST	25 days	07^h35^m47^s	−86°17'26"	Below horizon			33.1	Not observable	Octans
2025	Dec	15	09:00 PST	25 days	07^h35^m36^s	−86°17'32"	Below horizon			33.1	Not observable	Octans
2025	Dec	15	12:00 PST	25 days	07^h35^m24^s	−86°17'39"	Below horizon			33.1	Not observable	Octans
2025	Dec	15	15:00 PST	25 days	07^h35^m13^s	−86°17'46"	Below horizon			33.1	Not observable	Octans
2025	Dec	15	18:00 PST	25 days	07^h35^m02^s	−86°17'53"	Below horizon			33.1	Not observable	Octans
2025	Dec	15	21:00 PST	25 days	07^h34^m51^s	−86°17'59"	Below horizon			33.1	Not observable	Octans
2025	Dec	16	00:00 PST	26 days	07^h34^m39^s	−86°18'06"	Below horizon			33.1	Not observable	Octans
2025	Dec	16	03:00 PST	26 days	07^h34^m28^s	−86°18'13"	Below horizon			33.1	Not observable	Octans
2025	Dec	16	06:00 PST	26 days	07^h34^m16^s	−86°18'19"	Below horizon			33.1	Not observable	Octans
2025	Dec	16	09:00 PST	26 days	07^h34^m05^s	−86°18'26"	Below horizon			33.1	Not observable	Octans
2025	Dec	16	12:00 PST	26 days	07^h33^m53^s	−86°18'32"	Below horizon			33.1	Not observable	Octans
2025	Dec	16	15:00 PST	26 days	07^h33^m42^s	−86°18'39"	Below horizon			33.1	Not observable	Octans
2025	Dec	16	18:00 PST	26 days	07^h33^m30^s	−86°18'45"	Below horizon			33.1	Not observable	Octans
2025	Dec	16	21:00 PST	26 days	07^h33^m19^s	−86°18'52"	Below horizon			33.1	Not observable	Octans
2025	Dec	17	00:00 PST	27 days	07^h33^m07^s	−86°18'58"	Below horizon			33.1	Not observable	Octans
2025	Dec	17	03:00 PST	27 days	07^h32^m55^s	−86°19'05"	Below horizon			33.1	Not observable	Octans
2025	Dec	17	06:00 PST	27 days	07^h32^m44^s	−86°19'11"	Below horizon			33.1	Not observable	Octans
2025	Dec	17	09:00 PST	27 days	07^h32^m32^s	−86°19'17"	Below horizon			33.1	Not observable	Octans
2025	Dec	17	12:00 PST	27 days	07^h32^m20^s	−86°19'23"	Below horizon			33.1	Not observable	Octans
2025	Dec	17	15:00 PST	27 days	07^h32^m09^s	−86°19'29"	Below horizon			33.1	Not observable	Octans
2025	Dec	17	18:00 PST	27 days	07^h31^m57^s	−86°19'36"	Below horizon			33.1	Not observable	Octans
2025	Dec	17	21:00 PST	27 days	07^h31^m45^s	−86°19'42"	Below horizon			33.1	Not observable	Octans
2025	Dec	18	00:00 PST	28 days	07^h31^m33^s	−86°19'48"	Below horizon			33.1	Not observable	Octans
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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