Catalogs

• NED NASA/IPAC Extragalactic Database
• HST Guide Star Catalog
• ADC the Astronomical Data Center at NGSFC. Lots of catalogs!

Computer Support

• NICS UNIX User Manual
• IRAF HomePage (mirror site)
• PGPLOT HomePage
• NICS computer support
• Astro network support: Ramon Berger
• Astro network documentation
  
  DOCUMENTATION
• UNIX user manual (NICS)
• IDL tutorials
• IDL Astronomy Library Documentation
• IRAF
• LaTeX
• PGPLOT
• N-Body, Hydro Code: GADGET2
• N-body Shop
• CMBFAST

Conferences

• International List
• AAAS Meetings
• IAU Meetings
• Caltech Conference Page
  

Data

• Digitized Sky Survey
• STScI HST Data Archive
• Digital Image Library at NCSA (mostly radio data)
• SLOAN Sky Survey
• Hipparcos Catalogue

Institutes/Organizations

• NASA National Aeronautics and Space Administration
• NSF National Science Foundation
• STScI Space Telescope Science Institute
• AAS American Astronomical Society
• ASP Astronomical Society of the Pacific
• SETI Search for Extra-Terrestrial Intelligence
• Astronomical Institutes Index at USGS
• Astronomical Institutes Index at NRAO
• AAS Membership Directory
• Job Register at AAS

Literature

• ADS Abstract Service
• Astro-ph Preprints from LANL
• Astrophysical Journal:
  • Electronic Edition
  • Home Page
• Astronomical Journal
• Astronomy & Astrophysics:
  • Abstracts
  • Electronic Edition
  • Supplement Series
  • Encyclopedia of Astronomy & Astrophysics
• AASTeX Manual Online

Observatories

• UCO/Lick Observatory
• KPNO Kitt Peak National Observatory
• CTIO Cerro-Tololo Interamerican Observatory
• ESO European Southern Observatory
• NASA Technology Ground-Based Observatory Guide

Observing Information

• Lick Observatory Telescope Schedules
• Observing Calendars for Lick and Keck
• Mt. Hamilton HamCam
• Santa Cruz weather (cruzio.com)
• NOAA - local weather

Professional Development

• APS Professional Development Resource Guide

Student Tools

• Mathematica Online Integrator
• Ned Wright's Cosmology Calculator

Teaching Resources

• An Observational Approach to Teaching—Resources - Matt Craig