Stunning Astrophotoes | Really sharp photos of popular northern and southern astronomical nebulae, spiral galaxies, planets and other deep space objects. |
Free Noaa Images | National Optical Astronomy Observatory has a wanderful image gallery with a lot of informations and lo-res to high-res photos. |
Hubble Space Telescope | The Hubble Space Telescope is the Ritchey-Chretien Cassegrain telesope that Nasa pun in space to send us this stunning astrophotos. |
Celestia Astronomy Simulator | Celestia free space simulation environment: a realistic 3d rendering of the universe with thousands of stars, clusters and asteroinds. |
Stellarium Planetarium | Open-source planetarium that renders a realistic 3d sky with ordinary pc. It interfaces with projectors and is for Windows, Mac and Linux. |
New Horizons Mission | Nasa Pluto-Kuiper Belt Mission image gallery, science articles and recent news. Solar System border space mission reference site. |
Star Magnitudo Charts | Northern emisphere Cygnus constellation chart with magnitudo attenuation list. Interesting for empiric light-pollution statistics. |