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Comet over Moonlit Red Rocks at Arches National Park

Comet Over Moonlit Red Rocks (Oct 15, 2024).jpg

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This is Comet Tsuchinshan-ATLAS (C/2023 A3) over the red rocks of Arches National Park, Utah, on a superb moonlit night, October 15, 2024.

The comet was then at its finest in the evening sky, sporting a 15º- to 20º-long dust tail, obvious to the eye and camera despite the moonlight. The waxing gibbous Moon off frame at left provides the illumination.

I have processed the image to emphasize the comet's tail.

Taken from the Courthouse Wash turnoff on the main Park road.

Technical:
This is a blend of stacked and tracked (for the sky) and stacked and untracked (for the ground) exposures: 4 x 8 seconds for the sky and 5 x 6 seconds for the ground, with the RF28-70mm lens at 32mm and at f/2.2 on the Canon R5 at ISO 400. Tracking the sky keeps the stars pinpoints, and stacking reduces noise and eliminates satellite trails.

The tracker was the MSM Nomad.

Enhancements provided by Nik Color EFX Detail Extractor and Luminar Neo Accent and Structure AI.
Copyright
© Alan Dyer/AmazingSky.com
Image Size
8150x5420 / 19.0MB
www.amazingsky.com
This is Comet Tsuchinshan-ATLAS (C/2023 A3) over the red rocks of Arches National Park, Utah, on a superb moonlit night, October 15, 2024. <br /> <br /> The comet was then at its finest in the evening sky, sporting a 15º- to 20º-long dust tail, obvious to the eye and camera despite the moonlight. The waxing gibbous Moon off frame at left provides the illumination. <br /> <br /> I have processed the image to emphasize the comet's tail. <br /> <br /> Taken from the Courthouse Wash turnoff on the main Park road. <br /> <br /> Technical:<br /> This is a blend of stacked and tracked (for the sky) and stacked and untracked (for the ground) exposures: 4 x 8 seconds for the sky and 5 x 6 seconds for the ground, with the RF28-70mm lens at 32mm and at f/2.2 on the Canon R5 at ISO 400. Tracking the sky keeps the stars pinpoints, and stacking reduces noise and eliminates satellite trails. <br /> <br /> The tracker was the MSM Nomad. <br /> <br /> Enhancements provided by Nik Color EFX Detail Extractor and Luminar Neo Accent and Structure AI.