Re: Data sets over time

[Robert Creager <Robert_Creager@LogicalChaos.org>]

When grilled further on (Wed, 15 Sep 2004 12:56:06 -0500),
"Thomas Droege" <tdroege2@earthlink.net> confessed:

> To set up a data base, the only way to get the information is to read each
> fits header from each disk.  So this involves loading 2500 or so CDs,
> reading the headers and making up the information for the data base.  While
> at it, one might as well invest in a stack of hard disks and load the
> images.  Then one could extract images from such a file.  There are a some
> of tests I would like to do by processing at one time all the images
> containing a particular star or region of the sky.

Are the headers updated after the reductions are done, or are the headers real,
real accurate?  If not, then doing this will not be of much value.  I suspect
Michael R. can answer this question?

Cheers,
Rob

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