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Old 26-11-2013, 05:50 PM
DIYman (Doug)
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DIYman is offline
 
Join Date: Aug 2011
Location: Kalamunda
Posts: 62
Measuring polar misalignment

Hello all
Would any members know of an Excel spreadsheet or piece of Java that shows how much a mount is polar misaligned when you plug in the measurements obtained during a drift alignment session - ie. the amount of North/South drift of the guide star, its declination and the overall tracking time?

The best I found to date was Frank Barrett's program on his Celestialwonders webpage. However, for some reason Frank measures the drift in East/West direction rather than North/South as is standard using the drift method. I tried to email him about this but the email link on his site is broken and the site appears inactive (not sure what's going on there).

I really do not want to down load a software program (PHD etc) and then spend valuable time trying to get it to work. I have a good eyepiece with a reticle, a stop watch and am able to identify suitable stars on the celestial equator. (It's times like this I really envy people who have the maths to do their own trig calculations.)

Regards
Doug
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