Long Slit and Special Masks

Download these files to your local disk for use in data reduction.

Please note that all special masks are given a fake celestial location, and are designed to be useful anywhere in the sky. Please disregard the celestial coordinates in these files.


For IMACS:

The latest SMDF files for general masks used in IMACS are here.


For LDSS:

Long Slits for LDSS