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Photographer:

Mike Olason

Location of Photo:

Tucson, Arizona

Date/Time of photo:

2024 September 26, 1240UT

Equipment:

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

Description:

Comet C/2023 A3 (Tsuchinshan-ATLAS) on the morning of 2024 September 26 was magnitude G=3.6 as calculated from 9x2 second images in an aperture diameter of 5'. The comet was at an altitude of 8.2 degrees rising above the Catalina Mountains and the Sun was 8 degrees below the horizon at 1240UT. The image shows the white comet as imaged in the bright twilight morning sky on the right and then an attempt to show the comets true color on the left.