On Sun, 8 Aug 1999, George M. Anderson wrote:
>
>Coma is a lens defect caused by spherical abberation mainly. It causes
>point sources, like stars, to be rendered as comet-shaped rather than
>tiny circular dots.
Ah. Thanks for the explanation
>Er, I wouldn't try testing it on our star, more likely someone else's.
>Perhaps the one belonging to those guys Doris met one night. :>)
Oy, I don't think it'd be flattering to the fellow's face, if he became
comet-like (or, for those of you who have kids (siblings in my case) and
know Sesame Street, a pointy head like Bert ;-)) a la Power Goo <G>
/Acer Victoria
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