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Originally Posted by seeker372011
You guys are very kind...fact is at the scale I have shrunk it to, you cant really see all the noise
the real reason I was whingeing was because I thought I had nailed it..till I started to process.
Gary's suggestion makes sense...problem is last Sunday was so warm that it will be difficult to replicate those conditions again.
A library of dark frames certainly seems to be the way to go and maybe even keep track of ambient temperature, if that's not being too anal.
anyway you learn from mistakes so they say. I hope never to replicate this again!
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I think you are being a little hard on yourself too. It is a great image of a very difficult object.
What are you using to do your calibration?
The Library idea is a good one, however I have just started to use the latest ImagesPlus Beta. It has an automatic darkframe matching routine designed to take account of temperature differences in your light frames. So far so good. So it might be possible to have a small library of darks and use IP to scale them to match!! I'll let you all know how it develops.
Cheers