Kepler and Encke

Sketching and Equipment: For this sketch, I used black Strathmore 400 Artagain paper 9” x 12”, white and black Conte’ pastel pencils and blending stumps. Telesccope: 13.1 inch f/6 Dobsonian and 9 mm eyepiece (222x) riding on an equatorial platform Date: 2-14-2011, 00:30-02:00 UT Temperature: 4° C (40° F) Partly cloudy, very windy Seeing: Very poor - Antoniadi IV-V Colongitude 39.8 ° Lunation 10.9 days Illumination 96.7 % Frank McCabe