Quote:
Originally Posted by deadsimple
Thanks for that.
Guess I was just after a quick rule of thumb for telling at a glance (during daytime) if it's good enough.
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Aha,
During daytime is not a bad idea either, saves time. I can't assist you with a comment on your photos because I don't do it that way (I like a barlowed laser) but hopefully others here can.
In the meantime, the attachment to this post has some good diagrams in it
http://www.iceinspace.com.au/forum/s...8&postcount=18
and also worth a look
http://www.andysshotglass.com/Collimating.html
http://www.schlatter.org/Dad/Astronomy/collimate.htm
Cheers