Guider Analysis

Guide Camera Orienation
Here are two pictures centered on HR 2620. The data is is ~treffers/Analysis/Guider/Feb29/run1. These are using the tv program which has the origin in the upper left hand corner as opposed to DS9 which puts it in the lower left hand (traditional corner). This means the images can appear just like the sky charts. One taken with the Science chip (im1.fits):

Using wcsfix I determined that (with a match of 13 stars) the science chip has the following properties: The image is in im1F.fits. 

scale=1.982464E-04 pa=174.72 det=1.0 telscale=11.895
CRVAL1  =              105.323
CRVAL2  =              32.4217
CRPIX1  =                  514
CRPIX2  =                  512
The second with the Guider (g1.fits) with the stage at

As you can see the guider is mirrored, which makes sense since it is looking at the sky through a mirror, and rotated by 90 degrees. 

scale=0.0000852120 pa=-90.00 det=-1.0 telscale=11.890
GUIDPOSX=                  -95 / mm
GUIDPOSY=                103.2 / mm
GUIDPOSZ=                17.99 / mm

Analysis index