Monday, November 08, 2004
Sunspots 667, 669, 671 and 672

In the early morning of September 10, about 09.00 hrs UT I started my solar observing session. The sky was deep blue and transparent. For my visual observing I used the TAL 100RS 4-inch refractor and the 32mm Televue Plossl eyepiece. The filters I used were

Posted by Math on 11/08 at 03:01 AM | filed in: Solar log | Print