This image was done using a 60mm refractor and a 60mm Coronado SolarMax filter, which is a narrow-pass filter around H-alpha emission line. The picture was done some years ago (probably 2003) when the sun was much more active. Hopefully we'll get some more eruptions soon!

Sylvain Chapeland, the author of this image, is a IT engineer at CERN.

by Sylvain Chapeland on 2009-05-25 19:06:30 [Original Size] - [Next Image] - [Author's gallery]