Dawn Breaking Across Crater Schickard

Sketching For this sketch I used: Black Canson sketching paper, 14”x 12”, White and black Conte' pencils, a blending stump, plastic eraser. After scanning, contrast was increased (+1) using the scanner. Telescope: 13.1 inch f/5.9 Dobsonian and 9mm eyepiece 218x Date: 2-26-2010, 1:45 – 2:30 UT Temperature: -6° C (21° F) clear, calm Seeing: Antoniadi III Co-longitude: 57.5° Lunation: 11.98 days Illumination: 90.4 % Observing Location: +41°37' +87° 47' Oak Forest, Il.