Stark -Labs (Developer of the fantastic PHD-Guiding) The Webcam Control Utility - WcCtrl ASCOM drivers Mike Unsolds Page (Home of ImagesPlus) IRIS (powerfull Freeware) uniMAP (automated plate-solving for astrophotos) Astrotips (THE resource for Astro related SW) Stellarium - the free open source planetarium software DFM2HTML - free web design software

Excelsis (big , but not very detailed database) Cloudy Nights (detailed reviews from amateurs) Scopereviews Reese Astronomische Okulare (excellent eyepiece reviews - in german) Filter Transmission (transmission diagrams for most astronomic filters) ash's modified rebel xt page (detailed description of filter replacement for a Canon 350D) Losmandy G11 tuning Schwabs Astro Seite (some useful "do it yourself" instructions - in german) Refractor Collimation Moonlite Focusers (high quality focuser upgrades) Astromart - Classifieds Astronomie.de - Classifieds (german) Astrobuysell UK - Classifieds

Astronomie.de (german) Astrotreff (german) Cloudy Nights Stargazers Lounge Astrovox (greek) Astronomy Picture of the Day (APOD) Jim Solomons Astrophotography Cookbook Astrofotografie-Grundlagen (german) digital-astro Yahoo Group Galaxy Zoo (great fun!) Useful Formulae for Hobby Astronomers Calsky - The complete online observation calculator Spaceweather - News from our sun GLOBE at Night International Dark-Sky Association lightpollution.it DARK SKY (german)