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Old 07-07-2010, 01:21 PM
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DavidU (Dave)
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DavidU is offline
 
Join Date: Jul 2007
Location: melbourne
Posts: 4,835
Yes you bet. I have built a white on and a blue one. The trick is to have it 300+ feet away from the scope of it will be impossible to throw a diffraction pattern. During the day (direct sun) a 10mm ball bearing on a stick works a treat !
Quote:
Originally Posted by wasyoungonce View Post
Thanks David. yep will try that. But...clouds are back!

Is it worth getting or using an artificial star for this?
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