Sun, Ar1117 Jesús Carmona de Argila Image taken: Oct. 27, 2010 Location: Madrid (SPAIN) Details: Active region Ar1117 compared with the size of the Earth and the distance from the Earth to the Moon. Solar chromosphere. Solarmax90 bf30 - H-alpha 656,28nm <.7A. Takahashi fs152N - DMK21Af04. ©2013, SpaceWeather.com -- This site is penned daily by Dr. Tony Phillips.