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Janssen Crater


Janssen Crater

Sketching and Materials:
For this sketch I used: black Strathmore 400 Artagain paper, 8”x12”, white and
black Conte’ pastel pencils and a blending stump.
Telescope: 10 inch f/ 5.7 Dobsonian and 6 mm eyepiece 241x
Date: 05-25-2023, 05:05-06:25 UT
Temperature: 31 °C (88°F)
Clear, calm
Seeing: Antoniadi III
Co longitude: 333.1°
Lunation: 5.5 days
Illumination: 27.7 %

Frank McCabe






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