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Messier 31 - The Andromeda Galaxy

This image was compiled from data captured over three nights of imaging.  It represents just over 10 hours of data.

Telescope Equipment:
Mount – Celestron CGEM DX
Lens – Canon EF 70-200 f/2.8 L IS USM II
Shot at … 135mm f/4
Guider- Orion StarShoot Autoguider
Filter – Optolong L-Pro
Imaging Camera:
Image Details:
Light: 102x240s
….. 33x240s
….. 23x240s
Dark: 50x240s
Flat: 50x5s (32,000 ADU ±5%)
Dark-Flat: 50x5s
Astro Photography Tools (APT) – PhD2 – image capture
Siril 0.99 – Pre-Processing, Stacking, Stretching
Starnett ++ (to separate nebula from stars)
Post Processing – Adobe Photoshop CC, Astronomy Tools Action Set for Photoshop
Image Taken:
August 24, 30 & September 1 2021
Taken at the When Pigs Fly Observatory


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