sketches : Comets : Comet 17P/Holmes, 11-26-2007

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Comet C/2001 Q4 (NEAT), 05-11-2004

Comet 17P/Holmes, 11-09-2007

Comet 17P/Holmes, 11-26-2007
I haven't been out observing and sketching for a while, but I caught up on Holmes tonight. It's become much more extended, diffuse and faint since the last sketch. This sketch is night of November 26, 9:12-9:18 pm through 12x60 binoculars from my home in urban San Francisco. Seeing 7/10, Transparency 3/10 (high haze and clouds). As with the other Holmes sketches, graphite drawing pencil and blending stump on Strathmore 400 drawing paper. Image scanned and processed on the Mac with Pixelmator imaging software.

Comet C/2001 Q4 (NEAT), 05-11-2004

Comet 17P/Holmes, 11-09-2007


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