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Photographer:

Mike Olason

Location of Photo:

Tucson, Arizona

Date/Time of photo:

2024 September 30, 1242UT

Equipment:

50mm f/3.5 Refractor and ST-402ME CCD Camera

Description:

Comet C/2023 A3 (Tsuchinshan-ATLAS) on the morning of 2024 September 30 was magnitude G=3.2 as calculated from 12x3 second images in an aperture diameter of 5', a little fainter than yesterday when it was magnitude G=3.0. The comets tail is now showing a dark lane in the middle of the tail close to the coma.