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Sunday, October 12, 2025

Comet C/2025 A6 Lemmon

Location:  Near Fredericton, NB, Canada

Date Time:  October 11, 2025 1930-2030

Weather:  Cool, no wind, hazy, 12C, and 94% humidity.

Equipment:  Canadian Telescopes 80 ed/apo with Canon Rebel attached at prime focus.  15x70 binos, images processed with PhotoShop

Objective:  To observe two comets, Comet Lemmon in the north-western sky and Comet C/2025 R2 Swan in the south-western sky just after sundown.

Report:  

  • I was able to capture and view Comet Lemmon in binos as it was going down behind trees, also as it was starting to get dark enough to observe it. It was bright enough to clearly see in camera viewscreen, and was easy to find in binos.  Huge, greenish, with a bright, whitish central region.  A hint of a big wedge like tail was just barely visible.  Not visible to naked eye, in my experience.




  • No moon in the sky made for very dark skies, but hazy, high humidity.
  • Searched for Comet Swan, but it had gone down behind trees by the time I was able to search for it.
  • Arcturus was behind trees by the time it started getting dark.
Arcturus 



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