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Sunrise at Ptolemaeus Crater


Sunrise at Ptolemaeus Crater

February 09,2022, 02:00 UT
Mesa, Arizona
Black sketching paper, black and white pastel pencils blending stumps, White Pearl eraser
10" f/5.7 Dobsonian Telescope, at 241x with a 6mm ortho eyepiece
Telescope on an equatorial platform
Lunation 7.8 days
55% illumination
Phase 81%
Colongitude:2.1 deg.
Altitude 75 deg.

Frank 5817






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