The Image Reduction and Analysis Facility (IRAF), developed by the National Optical Astronomy Observatories (NOAO), forms the basis of the Space Telescope Science Data Analysis System (
STSDAS).
IRAF contains numerous packages of programs, called
tasks, that perform a wide range of functions from reading data from storage media to producing plots and images. Most astronomers will already be familiar with
IRAF, but we provide this tutorial for
HST observers who are beginners in
IRAF. It includes information on:
Additional information on IRAF, in particular
A Beginner’s Guide to Using IRAF is available through the NOAO
IRAF page at: