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strange smudge in flats

Started by jomeara, 04/21/2009 10:37PM
Posted 04/21/2009 10:37PM Opening Post
Hi all,

I closely analyzed the flat that I was getting from my 'new' ST-10. It seems to have a strange smudge that is apparent regardless of color filter that I use. I think (hope...)it might be a fingerprint on the protective coverglass over the chip(my camera is in my dome so I don't have access to it right now to check). What do you think?

Jeff

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