Solar Activity, 2004.08.15


2004.08.15 UT 18:49 - Sunspot groups. 1/400 sec exposure, Canon 300D, 90mm Maksutov (f/5.6, FL = 500mm).

2004.08.15 UT 18:44 - Sunspot group 656. 1/400 sec exposure, Canon 300D, 300mm SCT stopped down to 100mm (f/30, FL = 3000mm).
©2004 Chris L Peterson