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Jupiter Wearing its New Mark


Jupiter Wearing its New Mark

Sketching: 8/5/2009 5:15 – 6:00 UT Scope used 18" f/5 masked to 8" f/10.5 Eyepiece used: 9mm UO ortho. For 222x Sketch made on copy paper using graphite pencils HB, 4B and 6B, and a blending stump. Contrast increased +2, brightness decreased -2 using the scanner Seeing: 5/10 for short intervals Transparency 2/5 Frank McCabe






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