The IRAF Mosaic Data Reduction Package

The IRAF Mosaic Data Reduction Package, mscred ,p ro- cesses data from mosaics of CCDs such as the NOAO CCD Mosaic Camera 2 . A brief design of the package was presented earlier by Valdes (1997a). Since then a rst implementation of the software has been completed. This paper summarizes the current status of the software and our plans for future developments.