Arzachel

Sketching: For this sketch I used: black Strathmore 400 Artagain paper 8”x 8”, white and black Conte’ pastel pencils and a blending stump. After scanning, Brightness was decreased (-2) using my scanner. Telescope: 4.25 inch f/10 equatorial and 6 mm at 180x Date: 5-3-2009, 0:50 - 1:40 UT Temperature: 13°C (55° F) hazy, high thin clouds, calm Seeing: Antoniadi III Colongitude 11.2 ° Lunation 7.9 days Illumination: 63 % Frank McCabe