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Sunrise at Crater Ptolemaeus April, 2022


Sunrise at Crater Ptolemaeus April, 2022

Sketching and Equipment:
Black sketching paper (Canson), white and black Conte’ crayons, blending stumps, Q-tips, pink Pearl eraser Telescope and Eyepiece Used: 16” f/4.41 Dobsonian scope on an Equatorial platform with a 6mm eyepiece 299x
Seeing: Antoniadi scale III, Transparency: 3/5
Date and Time: 04/09/2022 05:00 UT
Lunation: 7.94 days
Colongitude: 2.1° degrees
Lunar altitude: 48° degrees
First quarter phase 49.3% Illumination
Frank McCabe :)






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