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If a mount is polar aligned, it becomes very easy to find objects that have the same Right Ascension or Declination as a bright star. It works like this 1) you align the mount to the pole 2) using a star map, or an app, you try to find an object that has the same R.A. or declination as a bright star. As an example, use Messier 4, which has almost the same ...


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The answer is there on the stjarnhimlen.se site and also stargazing.net. Now we can compute the Sun's altitude above the horizon: sin(h) = sin(lat) * sin(Decl) + cos(lat) * cos(Decl) * cos(LHA) LHA = LST - RA h=Altitude=30$^\circ$, LHA = Local Hour Angle, lat= Your latitude on Earth, Decl = Object's declination, Ra = Object's right ascension, and ...



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