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    Good idea. How would I go about making the mirror...

    Good idea. How would I go about making the mirror copy?
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    I realize I didn't explain it clearly :-). I have...

    I realize I didn't explain it clearly :-). I have David Levy's "Guide to the Stars" planisphere, which is excellent. However, in order to match what's on the planisphere with what's in the sky, you...
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    Looking for inverted planisphere

    I'm looking for a planisphere (I'm at 30 N lat.) that correctly shows the sky above when lying flat on my table. The ones I have require you to hold them over your head to obtain the correct...
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    Telescope stability in observatory

    Iā€™m a new member of the forum, in the process of building an observatory to house my 18ā€ Obsession telescope (#1910). It will be a small one-story building, using an AstroHaven 12ā€™ dome mounted on...
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