Imagery of AR1519/20 taken in between cloud passes on 12th July 2012. This was one of the larger sunspots until now during this year.
AR1519/20 in whitelight and H-alpha
Astrophotography
by André van der Hoeven
Imagery of AR1519/20 taken in between cloud passes on 12th July 2012. This was one of the larger sunspots until now during this year.