Guiding Cameras

Slit-viewing camera

A CCD intensified camera is available for centering the objects on the slit. The camera hosts a CCD sensor IC-300 (Photon Technology Intrnational) of 768 X 498 pixel format (Resolution 40 lp/mm) and enables a display on a PC screen of the image of the slit, along with that of the object in real time. The displayed field is approximately 220"x160" (roughly 0.33 arcsec/pix). A frame grabber allows image smoothing and also saving the image of the slit for positional reference. Point sources up to around 16-17 magnitudes can be centered using this camera.

Off-set Autoguider

A field of 4' X 4' (??) away from the field of the object can be imaged, displayed and optionally autoguided on a PC. The field can be scanned along east-west and north-south (N-S only when used with Direct Imaging Camera).  

Last Update:
26-11-2008 a las 18:25 by

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