All the following listed sites are checked regularly. However, the constantly changing nature of the internet means some sites may alter after we have visited them.

Sheffield Astronomical Society is not responsible for the content of external websites. These links will open in a new browser window.

A Selection of Astronomy and Space Resources


Microsoft Windows Applications

  • Stellarium – A free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope.
  • Celestia – The free space simulation that lets you explore our universe in three dimensions.
  • Cartes du Ciel (Skychart) – This program enables you to draw sky charts, making use of the data in many catalogs of stars and nebulae. In addition the position of planets, asteroids and comets are shown.