Riphaeus Mountains on Oceanus Procellarum

Sketching: For this sketch I used: white copy paper, a No 2 graphite pencil and a piece of tissue for blending. The sketch was photographed and cropped Telescope: 13.1 inch f/ 5.9 Dobsonian and 4 mm eyepiece 491x, scope was driven on an equatorial platform Dates: 09-09-2012, 09:40-11:00 UT Temperature: 10° C (50° F) mostly clear, calm Seeing: Antoniadi III- IV Colongitude: 192.7° Lunation: 22.75 days Illumination: 42% Frank McCabe