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Re: to read and to save multiple fits format files at a time [message #69982]

Thu, 04 March 2010 07:23

Gray
Messages: 253
Registered: February 2010

Senior Member

On Mar 4, 7:41 am, sid <gunvicsi...@gmail.com> wrote:
> HI,
> My data is in fits format, I am having 22 fits file and all the 22
> files should be subtracted by single fits file individually, and I
> should save it separately after subtraction. So please help me how to
> read all these 22 files at a single stretch and subtract all the 22
> files separately with one fits file and save the subtracted ones.
> regards
> sid

Funny, I'm working on image subtraction in IDL as well (though I have
a different setup). Probably what you want is a FOR loop, and then to
use READFITS and WRITEFITS.

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