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Re: astronomical coordinate conversion [message #24106]

Thu, 08 March 2001 10:13

Wayne Landsman
Messages: 117
Registered: January 1997

Senior Member

"Christopher W. O'Dell" wrote:

> Has anyone written a program to convert local (Alt-Az)
> coordinates to Celestial (RA-Dec) ? EULER does it for
> converting between the fixed coordinate systems (galactic,
> ecliptic, celestial), but doesn't do alt-az.
>
> Thanks,
> Chris

John Keck sent me the procedure rd2azel.pro several months ago for
inclusion in the IDL Astronomy Library, and for complicated reasons I
have been very negligent about getting it installed. Meanwhile you can
get it from ftp://idlastro.gsfc.nasa.gov/landsman/pro . (I know that
you are asking for the opposite direction Alt-Az to RA-Dec, but its a
start.)

--Wayne
Landsman
landsman@mpb.gsfc.nasa.gov

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Re: astronomical coordinate conversion

By: Wayne Landsman on Thu, 08 March 2001 10:13

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