Craters: Archimedes, Aristillus and Autolycus

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. My scanner is not working so I photographed this sketch and cropped it.
Telescope: 10 inch f/5.7 Dobsonian and 6 mm eyepiece (241x) riding on an equatorial platform
Date: 07-02-2017, 002:00-03:40 UT
Temperature: 18° C (64° F)
Mostly Clear, calm
Seeing: Below Average - Antoniadi IV
Transparency 3/5
Colongitude 4.1 °
Lunation 7.8 days
Illumination 58.7 %

Frank McCabe