Andromeda Galaxy - M31 ... my latest attempt ... C&C

Started Oct 15, 2017 | Photos thread
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RudyPohl Veteran Member • Posts: 5,331
Andromeda Galaxy - M31 ... my latest attempt ... C&C

I have a weird crop because I wanted show the stars below, and also because I don't want you to look too closely at the details which are still pretty rough. I'm hoping to get better data this month.

Camera: Nikon D5500 unmodified
Lens: Nikon 300/f4 ED
Aperture: f5.2 using stepping rings as aperture mask
ISO: 1600
Exposure: 90 x 1-minute = 1 hour, 30 minutes over 2 nights
Tracker: Sky Watcher Star Adventurer mini-EQ mount
Sky conditions:
- Night 1 - bright 3/4 Moon, + Ottawa light pollution.
- - used Hoya Intensifier anti-light pollution filter (on night 1)
- Night 2 - dark sky, + Ottawa light pollution
Stacking: Pixinsight
Processing: Pixinsight, Photoshop CS5


Comment & critique:
Please provide me constructive critique and criticism.
Nikon D5500
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