Sketching Date and Time: 8-12-2007, 2:30-2:50 UT
Telescope 10” f / 5.7 Dobsonian 21mm eyepiece 69x
8”x12” white sketching paper, B and 4B graphite pencils, a blending stump, scanned and inverted
Seeing: Pickering 7/10
Transparency: average 2.5/5
NELM 4.1
Frank McCabe