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-   -   Accelerometer xyz anlges to ra/dec (http://www.physicsforums.com/showthread.php?t=247867)

samkane Jul31-08 04:04 PM

accelerometer xyz anlges to ra/dec
 
Hi !

I have mounted a tri-axis accelerometer on a telescope which gives me angles for x,y & z axis, is there a method to convert these angles to the ra/dec or alt/az coordinate systems.

Any help would be aprreciated

mgb_phys Jul31-08 05:11 PM

Re: accelerometer xyz anlges to ra/dec
 
Welcome to PF.
Depending on how you mounted it - you should get alt-az directly, converting to Ra/Dec isn't hard (remember that for a given Ra/Dec the alt-az constanlty changes as the Earth moves)

Try here http://seds.org/~spider/spider/ScholarX/coords.html or if you can find a copy there is the famous "astronomy with your pocket calculator"


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