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
5:45 pm
Sun −4.2°Light about 7,900 KShadows none
Golden 4:48 pmSunset 5:11 pmDark 5:55 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
4:48 pm–5:11 pm · golden
Daylight white balance (about 5500 K) keeps the warmth. Meter the sky beside the sun, not the sun.
5:11 pm–5:44 pm · afterglow
5:44 pm–5:55 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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