Solar Activity, 2004.07.25


2004.07.25 UT 15:06 - Sunspot groups. 1/100 sec exposure, Canon 300D, 90mm Maksutov (f/5.6, FL = 500mm).

Closer view of above image.

2004.07.25 UT 15:03 - Sunspot group 652. 1/100 sec exposure, Canon 300D, 300mm SCT stopped down to 100mm (f/30, FL = 3000mm).
©2004 Chris L Peterson