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Polaris aka North Star

Shot during my first astrophotography session. Just wanted to see what I could get with 30 second exposures. And it looks like 30 seconds gives you stars at 10.4 mag (they are very faint, but still easily spotted on full size photo)

 

I messed up stacking a bit, used darks for different exposure, but despite that, it turned pretty well for a first try.

 

Camera: Sony Alpha DSLR-A200

Lens: Auto Reveunon 1.4/55 manual lens, M42 mount, stopped down to 5.6

Technique: Stack of dozens of 30 second exposures at ISO 800, 24 darks, no flats, no bias frames.

Software used: DeepSkyStacker for stacking, Krita for streching, levels, contrast and tweaks like that

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Uploaded on March 13, 2013
Taken on March 3, 2013