A Return Visit to Maurolycus

Sketching: For this sketch I used: black Strathmore 400 Artagain paper 9”x12”, white and black Conte’ pastel pencils and a blending stump. After scanning, Brightness was decreased (-3) and contrast increased (+2) using Microsoft Office Picture Manager. Telescope: 10 inch f/ 5.7 Dobsonian and 8 mm eyepiece 181 x Date: 10-24 to 10-25-2009, 10:40-12:05 UT Temperature: 13° C (55° F) Partly Cloudy, calm Seeing: Antoniadi III-IV Colongitude 347.1 ° Lunation 6.75 days Illumination 40.2 % Frank McCabe