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Sinus Iridum as Sunrise Touches the Rim


Sinus Iridum as Sunrise Touches the Rim

Sketching and Materials:
For this sketch I used: Black Canson paper, 9" x 12", white and black pastel pencils, a blending stumps, white Pearl eraser
Telescope: 16 inch f/ 4.41 Dobsonian and 9mm eyepiece 199x
Date: 11-23-2023 02:10 – 03:30 UT
Temperature: 22°C (72°F)
clear
Seeing: Antoniadi III
Co-longitude: 34.0°
Lunation: 9.8 days
Illumination: 79.3 %
Phase:54°
Frank McCabe






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