ATN VOYAGER 3 Operator's Manual page 43

TablE a-1. STaNDaRD NaTuRal lIGHT cONDITIONS aND
STaNDaRD NaTuRal lIGHT
cONDITIONS
Quarter moon
Full moon
late twilight sky
twilight sky
overcast sky in the daytime
aPPENDIx a
(Reference)
ESTIMaTION OF aMbIENT
IlluMINaTION lEVEl
IlluMINaTION ValuES
IlluMINaTION ValuE,
lux
0.05
0.30
1.00
10.00
500.00
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