Hey, what about using a green laser for collimation of a big dobsonian?
Roger Persson
Brian Tung wrote:
....
If you're talking about the concave surface of a telescope mirror, I
of
course agree that shining a green laser down a telescope is
completely
irresponsible. But that's not what we were talking about. We were
talking about possibly using green lasers to blind pilots.
....
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