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| danila |
07/06/2006 12:30PM (Read 4184 times)
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Status: offline
Registered: 06/30/2006
Posts: 15
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Hello everybody,My flat images has gain value different from gain of zero images. Is it bad? Does IRAF ccd reduction tasks account this difference automatically if I put "gain= gain" in epar?thanks for your attention, Andrey Danilenko.
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| fitz |
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07/06/2006 12:30PM
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Status: offline
Registered: 09/30/2005
Posts: 4040
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Right, a "gain' image header keyword will be used when available. In the FLATCOMBINE task for instance the 'gain' parameter may be either a numeric value or the header keyword containing the value.Cheers,
-Mike
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| danila |
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07/06/2006 12:30PM
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Status: offline
Registered: 06/30/2006
Posts: 15
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Thank you Mike.with the best wishes, Andrey
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gain of Flat different from gain of Zero - is it bad?
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