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Lunar surface from Sacrobosco to Abulfeda away from the terminator.


Lunar surface from Sacrobosco to Abulfeda away from the terminator.

Sketching:
For this sketch I used: black Strathmore 400 Artagain paper, white and black Conte’
pastel pencils and a blending stump.
Telescope: 10 inch f/ 5.7 Dobsonian and 9 mm eyepiece 161x
On an equatorial platform
Date: 04-28-2023, 04:30-05:50 UT
Temperature: 28° C (83° F)
Clear, transparent, calm
Seeing: Antoniadi III
Colongitude 15.5 °
Lunation 9.01 days
Illumination 62.2 %
Frank :)






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