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I recently moved to southern Mexico (16 degrees N) and I wonder what would be the best way to align my EQ telescope when the polar star is not visible?

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  • $\begingroup$ Polaris should be 16° above the northern horizon. $\endgroup$ Aug 12, 2014 at 21:16
  • $\begingroup$ I know...I forgot to mention an important factor: I'm surrounded by mountains that block my northern view for like 20°. $\endgroup$
    – betolink
    Aug 12, 2014 at 21:50
  • $\begingroup$ Sounds like you need to figure out where due north is and aim about 4° below the top of the mountains. If I knew a good way to do that I'd post an answer, but a compass, a level, and a protractor might help. (Polaris is about 1° off the celestial north pole anyway.) $\endgroup$ Aug 12, 2014 at 22:04

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Mount a camera on the tripod and take a long exposure. You should be able to determine the concentric circles of the stars paths. The center of the circle is the North pole.

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