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| jhd |
09/30/2008 05:08AM (Read 2070 times)
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Status: offline
Registered: 09/29/2008
Posts: 1
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Hi,
Is it possible to subtract one image from another using iraf??I have filtered the same image to varying degrees so that I can create a baseline image which I would like to subtract from the original image.
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| fitz |
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09/30/2008 05:08AM
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Status: offline
Registered: 09/30/2005
Posts: 4040
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See the IMARITH and IMEXPR task help pages if you want to do just a simple pixel-by-pixel subtraction. There are other tasks that are needed to do e.g. PSF matching or sky fitting prior to subtraction.-Mike
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Subtracting images
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