Deepscape: Comet C/2025 A6 (Lemmon) over Mt. St. Helens, Washington, USA

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A long period comet, C/2025 A6 (Lemmon) was first discovered on January 3rd, 2025, but the Mount Lemmon Survey in Arizona. The distinctive blue-green coma glows from diatomic carbon. The long blue ion tail in contrast with the wide, dusty debris tail. Making its closest approach to Earth on October 21st, 2025, I captured this traveler as it set behind Mt. St. Helens, that very night.

Matted, ready to frame.

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A long period comet, C/2025 A6 (Lemmon) was first discovered on January 3rd, 2025, but the Mount Lemmon Survey in Arizona. The distinctive blue-green coma glows from diatomic carbon. The long blue ion tail in contrast with the wide, dusty debris tail. Making its closest approach to Earth on October 21st, 2025, I captured this traveler as it set behind Mt. St. Helens, that very night.

Matted, ready to frame.