at ..62.8 clear, 3 deg C, 2 m/s from 250 deg. RH ..63.11 T lower, still clear, low wind, RH 60%This is a really strange night – the relative exposure times are very unusual.The factors are:B 20V 22VE1 20VE2 18IRCUT 20Especially B is very strange indeed.A lot of shutter hang going on, though.