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AIRMASS [message #92696] Tue, 09 February 2016 09:24 Go to next message
Sapna Mishra is currently offline  Sapna Mishra
Messages: 66
Registered: December 2015
Member
Hello every one,
Is there any routine in IDL which calculates airmass for particular date using only RA, DEC, EPOCH??? Basically I want to have a most general routine which is independent of telescope header as RA, DEC, EPOCH are the headers which are provided by all telescopes. Some provide UT ST ect some do not.

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Re: AIRMASS [message #92697 is a reply to message #92696] Tue, 09 February 2016 10:42 Go to previous message
Russell[1] is currently offline  Russell[1]
Messages: 101
Registered: August 2011
Senior Member
On Tuesday, February 9, 2016 at 12:24:11 PM UTC-5, Sapna Mishra wrote:
> Hello every one,
> Is there any routine in IDL which calculates airmass for particular date using only RA, DEC, EPOCH??? Basically I want to have a most general routine which is independent of telescope header as RA, DEC, EPOCH are the headers which are provided by all telescopes. Some provide UT ST ect some do not.

Look at the program eq2hor.pro in the IDL astrolib.

http://idlastro.gsfc.nasa.gov/ftp/pro/astro/eq2hor.pro

R

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