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Archimedes, Aristillus and Autolycus : February 20, 2021: 03:00 UT


Archimedes, Aristillus and Autolycus : February 20, 2021: 03:00 UT

Sketching and Equipment:
For this sketch I used: Black Master’s Touch sketching pad, 8”x 6”, white and black Conte’ pastel pencils and blending stumps, white Pearl eraser.
Telescope: 10 inch f/ 5.7 Dobsonian and 6 mm eyepiece 241x
Date: 02-20-2021 03:00-04:35 UT
Temperature: 16°C (60°F)
clear, calm
Seeing: Antoniadi III
Co longitude: 03.4°
Lunation: 8.04 days
Illumination: 50.5%
Frank :)






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