Sunspot AR 11087

Blogged by Xiao Sun on July 23, 2010 and tagged with Sample Images, Sun.

This photo was submitted by Etienne Lecoq.

AR 11087

Here is his e-mail (originally in French):

This is my latest image of the AR 11087 region on the Sun. It presented us a beautiful filament these days!

Always faithful DMK 41AU02.AS and its large sensor. I used for the first time Avistack 2 automatic mode.

Many thanks to Etienne!