Thursday Night Mars

Sketching: The eyepiece sketch is the one on top in graphite pencil. The second color sketch was made indoors. White sketching paper 8" x 11"; HB graphite pencil, blending stumps for blending orange, brown and yellow Crayola pencil shavings. Date 2/19/2010 – Time 3:00-3:35 UT Telescope: 13.1 inch f/5.9 Dobsonian and 9mm eyepiece 218x Temperature: 1°C (34°F) clear, calm Transparency 4/5 Seeing: Antoniadi III Frank McCabe