Sun in Halpha Marco Vidovic Image taken: Jun. 2, 2009 Location: Stojnci, Slovenia Details: At last it is nice to see some progress in sun activity. I hope this is only the beginning. Solarspectrum 0.5A H-alpha filter DERF, TZ4, Orion ed80APO at f/30. ©2013, SpaceWeather.com -- This site is penned daily by Dr. Tony Phillips.