Comet C/2023 A3 Tsuchinshan-ATLAS
Taken by Michael Mattiazzo on September 25, 2024 @
Swan Hill, Australia
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Details:
Comet C/2023 A3 Tsuchinshan-ATLAS on 2024 September 25 at 19:08UT using a Canon 6D + Sigma 200mm f/2.8 lens. iso1600 24x10sec. FOV 4x2 deg. North lower left, from Swan Hill, Victoria, Australia.
A visual estimate at 19:10UT (05:10AEST Thu 26th) using 15x70mm binoculars was magnitude 3.1 with 4' coma and strong degree of condensation, tail length > 3 degrees in PA256
Comparison stars Alpha Crt(4.2), Nu Hydra(3.2).
First Naked eye observation: mag 3.0 appearing as a fuzzy star.
There was still 39% moonlight and twilight interference but conditions are slowly improving. Low altitude (9 degrees).
Distance to Sun = 0.39AU (59 million kms)
Distance to Earth = 0.99AU (150 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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