Sun active regions 1193, 1195, 1196 on 22 Apr 2011

Posted by Jean B
on Saturday, April 23, 2011

by Jean B.

The sun active regions 1193, 1195 and 1196 on April 22, 2011.

My first try at sketching. This sketch was done on acid-free Canson paper using HB and 2B pencils and blending stump. The sketch was then scan and open with GIMP 2 freeware. After inverting the image to obtain the black background seen with the telescope and BAADER solar filter, I ajusted levels and added the color.

The active regions were mapped using the website:



Tags: Sun
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