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Photographer:

Mike Olason

Location of Photo:

Tucson, Arizona

Date/Time of photo:

2024 April 12, 0259UT

Equipment:

ASI178C camera and FL38mm lens

Description:

Comet 12P/Pons-Brooks with Jupiter and the 15% illuminated Moon 21 degrees to the northeast of the comet casting a greenish white hue on the image as twilight skies turned dark on the evening of 2024 April 11. As one can see even a Moon that is only 15% illuminated and 21 degrees from the comet cast a greenish white hue on the comet that dims the comets coma and tail in pictures and binoculars. To make things worse the comet dimmed from magnitude 4.4 from the previous evening to magnitude 4.8 this evening as calculated from software that is not affected by the Moonshine.