Andromeda Galaxy (M31) shot on October 14, 2025 near our house
Mount - AW3
Computer - ASIAIR Plus
Camera: Canon 90D
Lens - Williams Optics Red Cat 51
Focal Length - 250mm full frame, appears as 400mm on the Canon 90D
Aperture 4.9
Iso 800
Stacked Exposures: 3\60
Individual Exposure: 120 seconds
Total Stacked Exposure Time: 2 hour
Stacking Software: Affinity
Post Processing:
Coldest Temperature 9 C or 48 F
I had a bit of trouble on the first set up as the galaxy was behind
a tree. So I had to move the setup and re-aling
I have been meaning to put in a screen grab of my polar alignment,
this one I remembered to get the screen grab:
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This page last updated
10/17/2025