CGS4 Current Status

CGS4 is currently available for use.

CGS4 is available in all Cassegrain blocks (see Forward Look for details).

Present Configuration

CGS4 has the 40l/mm and the echelle gratings installed with the long (300mm) focal length camera.

Future Configuration

We have no plans for further configuration changes for CGS4.

Future semesters

Please see these notes for information on CGS4 availability for upcoming semesters.