Andromeda galaxy (M31)
Posted by Administrator on 2009 Sep 14
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A stack of four 10 minute exposures at iso400 through a 200 mm F5.6 lens. I really need to get a handle on processing these RAW frames for best results… Autoguiding now seems to work quite well, here’s a comparison between 10 min frames with guiding on/off: More exposure is better, this one has about [...]