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Rupes Recta

Rupes Recta

For this sketch I used: black Canson paper (9” x 12”), white and black pastel pencils, assorted erasers, and blending stumps

Telescope: 16.1” f/4.1 Dobsonian working at 185X (9mm ocular)
Date: 03-16-2016 20:20pm - 22:25 pm MST Temperature: 18°C (66°F)
Clear, calm
Seeing: Antoniadi II and some long intervals of I
Colongitude 8.1 °
Lunation 7.81 days
Illumination 62%

Frank McCabe
Mesa, Az.

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