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Crater Langrenus and Neighbors

Crater Langrenus and Neighbors

Sketching and Equipment:
For this sketch I used: black paper sketching pad, white and black Conte’
pastel pencils and a blending stump.
Telescope: 10 inch f/ 5.7 Dobsonian with 6mm (241x) eyepiece on an equatorial platform
Date: June-07-2020, 06:00 UT
Temperature: 28°C (82°F)
Clear, calm
Seeing: Antoniadi III,
Co longitude 100.4°
Lunation 15.23 days
Illumination 98.2%
Libration in Longitude +5°

Frank McCabe :)

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