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Byron Davies

M-52, NGC-7635, SH2-157, SH2-158, SH2-159, SH2-161, NGC-7510

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coma fix ?

Started by Midnight Sun, 07/05/2008 10:22PM
Posted 07/05/2008 10:22PM Opening Post
I have heard that a Paracorr can reduce a coma issue, can someone tell me how? thank you.. JM

Posted 07/05/2008 10:55PM #1
And while you are at it, why are they not built into some longer focal length EPs already? Cost?

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