Dome Near Gambart C

Equipment and Sketching: For this sketch I used: white Strathmore paper, powdered graphite, HB, 4B, 6B graphite pencils and blending stumps, white Pearl eraser. Telescope: 10 inch f/ 5.7 Dobsonian on a drive platform, 4mm ortho. eyepiece at 362x Date: 10-06-2011 01:10-02:20 UT Temperature: 21° C (70° F) Clear, calm, 40% relative humidity Waxing gibbous phase Seeing: Antoniadi II- III Colongitude: 16.2 ° Lunation: 8.6 days Illumination: 69.6 % Frank McCabe