Morning at Crater Walther

Sketching: For this sketch I used: black Strathmore 400 Artagain paper, 9”x 12”, white and black Conte’pastel pencils and a blending stump. Brightness was slightly decreased (-2) and contrast increased (+2) after scanning using Microsoft Office Picture Manager. Telescope: 13.1 inch f/ 6 Dobsonian and 6mm eyepiece 333x Date: 5-13-2008 1:35 - 3:20 UT Temperature: 7° C (45° F) high clouds, calm Seeing: Antoniadi III Co-longitude: 4° Lunation: 7.6 days Illumination: 59.7 % Phase: 78.8° Observing Location: +41°37' +87° 47' Frank McCabe