sbigtopgm - convert an SBIG CCDOPS file into a portable graymap
Reads an an image file in the native format used by the
Santa Barbara Instrument Group (SBIG) astronomical CCD
cameras, and produces a portable graymap as output.
Additional information on SBIG cameras and documentation of
the file format is available at the Web site:
John Walker (__http://www.fourmilab.ch/__), January 1998.
This program is in the public domain.