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Crater Markov
Uploaded by
frank5817
, Aug 22 2021 08:14 PM
- Owner: frank5817 (View all images and albums)
- Uploaded: Aug 22 2021 08:14 PM
- Views: 363
- Album: Lunar Craters
August 21, 2021, 06:30 UT
For this sketch, I used black Strathmore 400 Artagain paper 8” x 12”, white and
black Conte’ pastel pencils and blending stumps.
Telescope: 16 inch f/4.41 Dobsonian and 6 mm eyepiece (299 x) riding on an equatorial platform
Temperature: 31° C (88° F)
Mostly clear, calm
Seeing: Average : Antoniadi III
Transparency: 3/5
Colongitude: 68.5 °
Lunation: 12.4 days
Illumination: 97 %
Frank McCabe 
