Welcome to iraf.net Sunday, May 19 2024 @ 01:09 PM GMT
| Anonymous: Guest |
10/05/2005 08:22AM (Read 609 times)
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I think that the use of "observatory" to set the latitude in "setairmass"
is confusing and will lead to errors. I am recommending that we set it
back to "latitude", or provide some EASY way for the user to explictly
enter the latitude.
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| Anonymous: Guest |
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10/05/2005 08:22AM
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Dear IRAF help,
We are reducing WIYN mosaic data and have made it to the point where we
have formed single images and are ready to do photometry (whew). We are
trying to use the setairmass function in the astutil package to set the
airmass to the middle of our 20 minute exposures. The problem is, our
header keyword for sidereal time is LSTHDR, instead of ST which the
package expects. Is there an easy fix for this?
thanks a lot,
Barbara Whitney
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| Anonymous: Guest |
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10/05/2005 08:22AM
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Hi Barbara,
You can add an LSTHDR keyword to each of the images using the ST
keyword value using a command such as cl> hedit *.imh lsthdr "(st)" add+ verify-Some tasks allow a pset to redefine required header keywords but I didn't see
on in this case. Let us know if you still have problems or questions.Cheers,
Mike Fitzpatrick
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SETAIRMASS
