Re: Disk 17 FITS headers

[Paul Repacholi <prep@prep.synonet.com>]

> OK, slight modification.  If it is 100 +/- 5 seconds, then assume it
> is 100 seconds.  If the difference from 100 seconds if more than +/-
> 5 , then use the indicated value, or throw the frame out.

Better to scale by the header exposure time, subject to sanity checks.
Some where in the IRAF related papers there is a very good paper on
reducing CCD data sets. I'll have to see if I can find it, and post
the URL.

-- 
Paul Repacholi                               1 Crescent Rd.,
+61 (08) 9257-1001                           Kalamunda.
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Raw, Cooked or Well-done, it's all half baked.