Virtual Observatories and Star Maps

  • Stellarium - the best free planetarium software you can download
  • Skymap - Good for beginners
  • The STScI Digitized Sky Survey Get an image of any astronomical object using the DSS retrieval form
  • SkyView SkyView is a Virtual Observatory on the Net generating images of any part of the sky at wavelengths in all regimes from Radio to Gamma-Ray.
  • SkyMap Interactive sky map using Sloan DSS
  • Ciclope Astro - Planetarium on the web using WEB2.0 techniques.
  • Free Astronomy Software - A nice list of all the packages ever made.
  • Sky View Cafe - A Java-based planetarium website.

Weather Services and Satellite Imaging

Cool groups and organizations

Astrophotography & other How-to's

Abstract Services

Astronomical Events & Publications

Astronomical Data Bases and Images

Reference

General Overview and Cool stuff