Shane Cassegrain guider coordinates

This is a very early draft.
Everything in these plots may be wrong.

coordinates for the Shane Cassegrain offset guider using the diagonal

as a PDF file
image scale is 0.512 arcsec/pixel
coordinates for the Shane Cassegrain slitjaw guider using the periscope

as a PDF file
These diagrams are a synthesis of the contents of what should be several separate diagrams and documents.
The engineering diagrams documenting the guider focal planes should not include
This is a draft. It all deserves double checking.
Please let me know if you find anything that seems awry.

The FITS coordinates can be redefined, but the current coordinates indicate the manner in which the ucam code writes the pixels into the FITS image array.
Steve Allen <>
Initial deployment 2011-03-02T00:00
$Date: 2011/04/08 18:34:11 $