If you're not familiar with any of the following, here's where to go to get started.
See also Chris Matzner's resources for the beginning astronomy researcher
  • Unix/Linux: an operating system and simple programming environment.
  • Useful Linux & IRAF commands
  • Efficiency
  • Communication between computers
  • LaTeX
  • IRAF (Image Reduction and Analysis Facility): a computer language for astronomical research.
  • Making Plots
  • Backups
  • Statistics
  • Extragalactic Astronomy and Cosmology
  • Active Galactic Nuclei