Saturday, October 09, 2004
Sunspots 661, 662, 663, 664 and 665

On August 22 I observed the Sun for an hour from 14.15 UT till 15.15 UT. For visual observing I used the 4 inch TAL refractor with a full aperture ND 5 Solar Screen, the Fringe Killer and the Contrast Booster.  Before shooting the images I added

Posted by Math on 10/09 at 10:28 AM | filed in: Solar log | Print