Online Astronomy Tools,
and astronomer related online links

Online star chart and solar system

Current phase of the Moon

Telescope Calculator

More online tools

Lens and geometric optics

Online StarDome


More coming soon!



Astrophotography, info about telescopes, software, tips & tricks, homemade scopes and lenses etc.

Astro photography, info about telescopes, tips & tricks, homemade scopes and lenses, how to collimate, online astronomical tools etc.