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I thought I'd try to improve on my M31 shot taken a few years ago with the William Optics Zenithstar 66 which is not a very flat field so it needed cropped a bit too tight. The framing worked out great with the AT65EDQ and although there are pros and cons to this image over the other one, I think I'm really pleased with the result here.

Scope: AstroTech AT65EDQ
Mount: Orion Atlas EQ-G with GoTo
Guiding: Meade DSI Pro and PHD Guiding
Guide Scope: ATM 60mm f/4.1 Achromat
Camera: Canon EOS 1000D (Modified)
Special Settings: None
ISO: 800
Exposure: 2.5 hours (30 x 300)
Processing Software: Acquired in Nebulosity, Calibration and Stacking in PixInsight, Levels/Curves/Enhancements in PixInsight & Photoshop CS5
Support Files: 20 darks, 20 flats, 20 bias

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