| Firmament Jan Timmermans |
Nice pictures of astronomer Timmermans, made with a webcam. Technical explanation of astro photography and links to interesting astro sites and astro software sites. |
| ESA |
The site of the European Space Agency ESA. |
| NOAO |
National Optical Astronomy Observatory. |
| ESO |
The site of the European Southern Observatory contains beautiful pictures. |
| NOAO |
National Optical Astronomy Observatory. |
| NASA |
The site of the National Aeronautics and Space Administration NASA. |
| |
Hubble Space Telescope Public Pictures. |
|
Sonnenburgh |
The homepage of the Dutch Volkssterrenwacht Sonnenburgh |