Comet C/2025 A6 Lemmon on 12 October 2025

Sunday, October 12, was my third morning in a row trying to capture Comet C/2025 A6 Lemmon.  This time, I used my bigger telescope, Blue, from my driveway.

From my Bortle 8 driveway, I still could not spot the comet with binoculars.

My larger telescope with about 1.2 hours worth of data certainly picked up more details in the comet and more stars than my smaller telescope did two nights earlier.  

Comet processing takes a long time, and I’ve had some good luck as far as weather, more pictures to come …

Camera geek info:

  • William Optics Pleiades 111 telescope
  • ZWO 2” Electronic Filter Wheel
  • Antila RGB filters
  • Blue Fireball 360° Camera Angle Adjuster/Rotator
  • ZWO ASI183MM-Pro-Mono camera
  • William Optics Uniguide 32MM F/3.75
  • ZWO ASI220MM-mini
  • ZWO ASiair Plus
  • iOptron CEM40
  • Friendswood, Texas Bortle 7-8 suburban skies

Frames:

  • October 12, 2025
    • 100 15 second Gain 150 Red lights
    • 30 0.02 second Gain 150 Red flats
    • 99 15 second Gain 150 Green lights
    • 30 0.01 second Gain 150 Green flats
    • 92 15 second Gain 150 Blue lights
    • 30 0.01 second Gain 150 Blue flats
    • Matching darks and flat darks from library

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