Quote:
Originally Posted by multiweb
You have plenty of blue already in your picture. I think you'd benefit from doing flat fielding. It will make processing much easier for you.
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Hi Marc, the blue I am referring to was very pronounced and was located towards the centre of eta carina.
At the moment I can't afford a telescope so I am using my 300mm f2.8 camera lens (set at f3.5). Can I use a flattener with a camera lens?
Cheers Kanga (Peter).