Two comets
Taken by David Blanchard on October 20, 2025 @ Flagstaff, AZ
Click photo for larger image
  Camera Used: NIKON CORPORATION NIKON D850
Exposure Time: 120/1
Aperture: f/2.8
ISO: 200
Date Taken: 2025:10:21 15:11:37
 
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Details:
Two comets in one evening (20 October 2025) from Ashurst Lake near Flagstaff, Arizona.

• C/2025 A6 (Lemmon) sits low in the western sky as twilight ends. Green airglow is also present on the horizon.

Nikon D850, 35mm, f/2.8, ISO 200, 120 seconds. Two image composite: one tracking the stars; the second fixed on the foreground.

• C/2025 R2 (SWAN) sits about 1/3 of the way down and to the left of the Milky Way

Nikon D850, 35mm, f/2.8, ISO 200, 22x120 seconds; stacked with Siril.

Photographer's website:
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