Light Lab 39.46° N, 82.63° W, 40 mi from Columbus, United States
Light Lab · tonight from 39.46° N, 82.63° W, looking WSW
Blue hour
5:43 pm
Sun −4.4°Light about 8,200 KShadows none
Golden 4:45 pmSunset 5:07 pmDark 5:52 pm
Shadows
The sun is down: soft light, no hard shadows.
How high the sun is
The color of the light
Daylight ~5000 KSunset ~2600 KBlue hour ~10,000 K
Cool, even, shadowless light. Lit windows and streets balance the sky.
Starting settings, when it matters
4:45 pm–5:07 pm · golden
Daylight white balance (about 5500 K) keeps the warmth. Meter the sky beside the sun, not the sun.
5:07 pm–5:41 pm · afterglow
5:41 pm–5:52 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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