AstrophotographyBaader Hyperion Zoom Eyepiece NEW smaller, lighter Baader Hyperion Mark IV Zoom Field of View Calculator Test different telescope, camera & eyepiece combinations. Baader Hyperion 68 Degree Eyepiece Baader Hyperion Eyepieces are designed for visual and photographic applications and excel in both fields. EducationalStar Deck - Flash Cards for Learning the Constellations Great for schools and Brownies / Cubs working towards their Stargazer badge. Also works for older astronomers who are just starting out! ObservingSee the International Space Station Dates and times of upcoming opportunities to see the ISS. (The selected city is Chelmsford, which will work for anywhere in Essex). Stellarium - Planetarium Software A great planetarium for Windows, Mac and Linux. Learn your way around the night sky for free. Astronomy Weather for Essex Including cloud cover and seeing quality. (Click 'Nighttime' on the page to see the overnight weather by hour). Go Stargazing - Find Stargazing Events Near You Lots of useful advice for getting the most out of stargazing, and an up to date listing of events near you. News and InformationAstronomy Picture of the Day See a great new astronomy picture every day.