Guider Analysis
Guide Camera Orienation
Here are two pictures centered on HR 2620.
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:
The second with the Guider 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.
Using wcsfix I determined
that (with a match of 13 stars)
the science chip has the following properties:
scale=1.982464E-04 pa=174.72 det=1.0 telscale=11.895
Analysis index