sunspots Enrico Colzani Image taken: Mar. 5, 2011 Location: Sormano Astronomical Observatory (Italy) Details: A very active Sun with filaments and sunspot groups! Image captured with a 0,4 Angstrom H-alpha filter, 150 mm refractor stoppet ad 60 mm, Lumenera camera. Composite was made with Registax and PhotoShop. ©2013, SpaceWeather.com -- This site is penned daily by Dr. Tony Phillips.