next up previous contents
Next: Acquisition and guider Up: Acquisition and guiding Previous: Acquisition and guider

Acquisition unit for the f/15 Cassegrain focus (non CCD)


This acquisition unit is used for all instruments at the f/15 focus except the CCD camera, which has a dedicated A&G box, and the Multi-Purpose Fotometer, which mounts directly on to the telescope. The instruments concerned are the Peoples' Photometer, the Richardson-Brealey Spectrograph, and `own' instruments. Figure gif is a schematic diagram of this acquisition unit.


Figure: The acquisition unit used with the photometers and spectrographs at the f/15 Cassegrain focus of the JKT, showing the acquisition mirror, TV camera and comparison system.

The following facilities are provided:

Tue Aug 15 16:42:46 BST 1995