iraf.net

[b:81d26eec6f]From: [/b:81d26eec6f]Philip Massey <massey@lowell.edu ([email]massey@lowell.edu[/email])>
[b:81d26eec6f]Date: [/b:81d26eec6f]September 15, 2005 9:46:54 AM MST
[b:81d26eec6f]To: [/b:81d26eec6f]fvaldes@noao.edu ([email]fvaldes@noao.edu[/email])
[b:81d26eec6f]Subject: [/b:81d26eec6f][b:81d26eec6f]mscgetcat[/b:81d26eec6f]
Hi, Frank---
I'm preparing for a Hydra run, and since I had used the USNO-A2 catalog to do the astrometric calibration
of my Mosaic frames, I thought I would use this to retreive the coordinates of stars that I could likely use
for setting up on the field (i.e., the fops).  But, if I try giving mscgetcat a reduced image (i.e., one that
has already been geometrically transforemed and turned into a single image) it apparently infers the
wrong RA and DEC.  Is there a simple way around this?  I confess I'm just using this as a simple filter
for the catalog (radius and magnitude).
thanks,
phil

[b:81d26eec6f]From: [/b:81d26eec6f]Frank Valdes <valdes@noao.edu ([email]valdes@noao.edu[/email])>
[b:81d26eec6f]Date: [/b:81d26eec6f]September 28, 2005 5:01:22 PM MST
[b:81d26eec6f]To: [/b:81d26eec6f]Philip Massey <massey@lowell.edu ([email]massey@lowell.edu[/email])>
[b:81d26eec6f]Subject: [/b:81d26eec6f][b:81d26eec6f]Re: mscgetcat[/b:81d26eec6f]
Hi Phil,
I was away when your mail came in and then I failed to catch up to it.  So I'm sorry about not replying sooner.  I don't know what the problem might be.  The easy thing to do is send me a header listing and I can tell you what is going on.
Yours,
Frank