Lunar Basin Bailly

Sketching: For this sketch I used: black Strathmore 400 Artagain paper 9”x 7”, white and black Conte’ pastel pencils and a blending stump. After scanning, Brightness was decreased (-2) using the scanner. Telescope: 10 inch f/ 5.7 Dobsonian and 9 mm eyepiece 161x Date: 12-11-2008, 5:15 - 7:00 UT Temperature: - 3°C (26° F) clear, calm Seeing: Antoniadi III Colongitude 73.1 ° Lunation 13.58 days Illumination: 97 % Libration: in Lat. -6° 3’, in Long. -3° 45’ Frank McCabe