Crater Endymion

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 (-4) and contrast increased (+2) after scanning using Microsoft Office Picture Manager. Telescope: 10 inch f/5.7 Dobsonian and 9mm eyepiece 161x Date: 2-10/11-2008 23:15-2:20 UT (sketching time was 45min.) Temperature: -19°C (-2°F) clear, breezy Seeing: poor back and forth between Antoniadi III and IV Co longitude: 322.1° Lunation: 3.8 days Illumination: 17.2 % Phase: 131.1° Frank McCabe