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Old 28-10-2007, 10:52 AM
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DJVege
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Join Date: Feb 2007
Location: Brisbane
Posts: 505
Question Weird collimation...?

Hi guys,

Slightly different question, so I thought I'd post a new thread.

I collimated my scope yesterday, and when I was showing my relatives Jupiter, I found the "out of focus" Jupiter wasn't a perfectly round, fuzzy bubble. I've attached an drawing to explain what I saw. On the left you have what good "out of focus" collimation should look like (yes, I know I have no art skills and that it looks like a hairy eyeball ), and on the right is what I was seeing. However, when I focused, you could see Jupiter and the moons perfectly. Any explanation for this weird shape? Bad collimation?

Thanks guys. (and gals).
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