254000 4.21 40.6E3 255100 4.2 27.0E3 255500 4.18 23.1E3 255900 4.17 22.1E3 261600 4.19 19.5E3 264100 4.14 13.4E3 266380 4.09 9.82E3 269240 4.09 9.3E3 Half-full Sun, at 12 degrees 269540 4.17 10.5E3 Full Sun at 11 deg, aided by clouds 270540 3.96 6.6E3 Through a tree canopy, at 8.3 degrees 271100 3.86 5.18E3 still, at 7 degrees 273040 3.289 1863 Sun hidden, at 2.5 degrees 273400 3.096 1380 even by clouds, at some 1.6 degrees 273620 2.981 1140 at 1 degree lest it were refraction 274200 2.665 640 Setting already 274320 2.586 555 at -0.6 lest it... 274460 2.48 477 Just set... 274580 2.387 402 274930 2.106 241 275390 1.702 109 275930 1.219 36 (nebo 34?) 276150 0.975 20.65 276290 0.826 14.9 276660 0.489 5.70 277090 0.239 2.12 Short after beginning of civil night 277310 0.155 1.27 at -6.6 277420 0.1262 1.01 at -6.8 277563 0.0970 .76 about -7.1 277686 0.0777 .61 perhaps... 277850 0.058 .46 278050 0.0410 .34 278220 0.0313 .26 278360 0.0253 .22 278540 0.0196 .17 -8.8, 6/8 Ac 278670 0.0166 .15 278860 0.0128 .12 279040 0.0096 .10 -9.6 5/8 Ac 279180 0.0076 .08 -9.8 279330 0.0060 .07 -10 279480 0.0048 .06 -10.2 279780 0.0035 .05 -10.8 280460 0.0023 .05 -11.8, almost clear sky 280620 0.0025 .05 -12.0, Moon adds some 0.004 lx 281560 0.0019 .04 -13.2 283180 0.0016 .04 -15.0. Covered luxmeter sensor gives 0.02. Subtract it. 284880 0.0014 .03 -16.5. Subtract 0.01 or 0.02. 285340 0.0013 SQM 18.84, narrow diaphragm 21.56 285860 0.0013 V (DC) 285880 0.0012 V (DC) after closing the roof, 1.1 mV sometimes (almost half of the cases) 286000 0.0011 V (DC) 355520 4.12 17.2E3 fully clear sky 357760 3.669 4.30E3 358840 3.458 2700 360300 2.863 938 360440 2.78 810 60 1.019 24.50 180 0.9 18.40 -4.4 360 0.731 12.50 460 0.645 10.17 540 0.58 8.35 -5.1 660 0.491 6.30 -5.3 990 0.291 3.00 -6.0 1400 0.1428 1.26 -6.7 1760 0.0729 0.60 -7.4 2000 0.0465 0.39 2080 0.0403 0.33 -8.0 2260 0.0294 0.24 -8.3 2520 0.0194 0.16 -8.8 3000 0.0098 0.09 -9.55 subtract 0.01 rather than 0.02 3280 0.007 0.07 -10 3540 0.0054 0.06 -10.4 68520 4.27 54E3 full sunlight 68540 4.04 25E3 behind a cloud 81520 1.92 154.0 clear twilight sky, about -2.4 81860 1.582 76.6 -3.1 82060 1.305 48.5 82320 0.98 25.9