I was happy just to go out into the warm air and capture a quick sketch of the sky to my south before the clouds rolled in.
Naked eye drawing
Sky conditions were good for seeing and transparency (however not carefully measured)
Date and Time: 2/11/2009; 0:45 -1:10 UT
8" x 10" light gray copy paper, #2HB graphite pencil,
white Conte' crayon, gum eraser.
After scanning the drawing was cropped and inverted Using Microsoft Office Picture Manager, brightness was decreased -2 and contrast was increased +3.