Observing logPosted by Peter Thejll May 29, 2012 08:41AM
Shutter all over the place today - dragging AND overexposure??
9-11 m/s from 120 deg. RH near 20%, 6 deg C. clarity 9/10.
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A blog about a system to determine terrestrial albedo by earthshine observations. Feasible thanks to sheer determination.