Alvin Wibowoo wrote:
It's really too bad I can't use an artificial star. With my 12" F/10, the
furthest away I could place the star would be 75 feet. From what I've been
reading, this isn't far enough.
Actually, it isn't far enough for star-testing, but I don't see why it
wouldn't be far enough for collimation. (I haven't tried it myself.)
Anyone?
Brian Tung
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