Observing logPosted by Peter Thejll Jun 14, 2012 04:11PM
clear, 40F, 15-20% RH rising, 6-8mph or 2-4 m/s from 220 degr.
Many 'hung shutter' frames but the ones that work are perfect.
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A blog about a system to determine terrestrial albedo by earthshine observations. Feasible thanks to sheer determination.