Western Mare Crisium

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: 13.1 inch f/ 6 Dobsonian with 6mm (332x) Date: 2-13 & 14-2013 23:00 – 00:45 UT Temperature: 1.7°C (35°F) Weather: clear, calm Seeing: not good Antoniadi IV Co longitude: 310.9° Lunation: 3.69 days Illumination: 15.7% Frank McCabe