Light Lab 39.46° N, 82.63° W, 40 mi from Columbus, United States
Light Lab · the evening of Oct 6 from 39.46° N, 82.63° W, looking W
Sunset
6:55 pm
Sun 1.2°Light about 3,000 KShadows ×50
Golden 6:30 pmSunset 6:55 pmDark 7:32 pm
Shadows
Pointing east, 50 times as long as what casts them.
How high the sun is
The color of the light
Daylight ~5000 KSunset ~2600 KBlue hour ~10,000 K
The sun is down but the sky still glows: soft, even, rosy light.
Starting settings, when it matters
6:30 pm–6:55 pm · golden
Daylight white balance (about 5500 K) keeps the warmth. Meter the sky beside the sun, not the sun.
6:55 pm–7:22 pm · afterglow
7:22 pm–7:32 pm · blue
Tripod. f/8, ISO 100, about 2 s to start, 8 s by the end. Daylight white balance keeps the blue.
Terrain: Mapzen terrain tiles (SRTM and others)
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