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#1
April 12th 05, 05:02 PM
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an "invisible" artifical star?
Since a webcam without the IR filter is sensitive to IR, why couldn't I use
an IR light source to illuminate an artificial star. Such a system wouldn't disturb the neighbors as the beam would be invisible to the eye, and I could continue collimation as I always do with the webcam/ barlow combo. Thoughts? JJ 
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