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Crater Gassendi


Crater Gassendi

Sketching For this sketch I used: black Strathmore 400 Artagain paper, 9”x12”, white and black Conte’ pastel pencils and a blending stump. Brightness was slightly decreased after scanning. Telescope: 10 inch f/ 5.7 Dobsonian 6mm eyepiece 241x Date: 9-23-2007 2:05-3:15 UT Temperature: 17°C (62°F) Clear, calm Seeing: Antoniadi II Co longitude: 47.5° Lunation: 11.6 days Illumination: 82.7 % Frank McCabe






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