Wednesday 3 April 2013

AR11711 in White Light - 2nd April

ar11711 wl by Mark Townley
ar11711 wl, a photo by Mark Townley on Flickr.

Monster sunspot AR11711 is the star of the show on the solar disk at the moment. This was taken with the 100mm frac at 2000mm focal length, Lunt wedge, continuum filter and DMK31. The spot has developed a light bridge as it slowly decays...