Craters Mercator, Campanus and Ramsden at Sunrise

Sketching: For this sketch I used: 400 series black Strathmore Artagain paper 9″x 9″, white and black Conte’ pastel pencils , and Conte’crayons, a blending stump, plastic eraser. Telescope: 10 inch f/5.7 Dobsonian with 6mm (241x) Date: 4-21-2013 01:00 – 02:45 UT Temperature: 7.2°C (45°F) Weather: clear, calm Seeing: good Antoniadi II-III Co longitude: 35.4° Lunation: 10.6 days Illumination: 74.1% Frank McCabe