Monday 2 April 2012

AR11445 AR11449

AR11445 AR11449 by Mark Townley
AR11445 AR11449, a photo by Mark Townley on Flickr.

A closeup of this decaying sunspot group using the 127mm frac at 2350mm focal length, 705nm TiO2 filter and Lunt Wedge.

Posted by BrierleyHillSolar at Monday, April 02, 2012