Quote:
Originally Posted by Paul Haese
Brett, the filter wheel has an integrated guide camera in it. It works via a prick up prism. The image data is then relayed to the AOX and software for movement commands. The mount only moves when the AOX reaches the bump value which is about 70% of total movement. It then rapidly moves the mount in a short series of bumps whilst the AOX guides to return both axis to home position and the process begins again. It does this several times over the course of 30 minute sub.
|
I get that part mate, I was just curious as to what CCD is in the guide camera?