Quote:
Originally Posted by Astroman
Also, any one of you awesome people be able to help me collimate my 8" f/4 Newt properly? I think I have it close but would like a experts opinion. Although I have collimated my f6 scope quite easily, I am finding using my Cheshire and Sight tube on the F4 a bit of a chore... Not sure what I am doing wrong, I think it looks right but looking at OOF stars etc.. it just doesn't look right..
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I'm hoping I can make it atleast for one night.
Andrew, check the centering of your secondary with a ruler, affects star at corners in an F4 easily. Then the cheshire.
no doubt the experts on site will sort it out.
Cheers
Alistair