Comet C/2023 A3 Tsuchinshan-ATLAS
Taken by Michael Mattiazzo on September 26, 2024 @
Swan Hill, Australia
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Details:
1 day to Perihelion
C/2023 A3 Tsuchinshan-ATLAS on 2024 September 26 at 18:55UT using a C11 RASA f/2.2 + Canon 6D. iso1600 20x15sec. FOV 3x2 deg. North up from Swan Hill, Victoria, Australia.
A visual estimate at 19:00UT (05:00AEST Fri 27th) using 8x400mm binoculars was magnitude 2.9 with 4' coma and strong degree of condensation DC7, tail length 4 degrees in PA259
Comparison stars Alpha Crt(4.2), Nu Hydra(3.2). Comet magnitude was corrected for atmospheric extinction using the average table.
Visible to the naked eye, appearing as a fuzzy star.
There was still 29% moonlight and twilight interference but conditions are slowly improving. Low altitude (7 degrees).
Distance to Sun = 0.39AU (59 million kms)
Distance to Earth = 0.95AU (142 million kms)
solar elongation = 23 degrees.
https://southerncomets.info/
https://southerncomets.info/webpage/2023A3_Tsuchinshan_ATLAS.htm
Photographer's website:
https://southerncomets.info
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