A Night Rainbow Lit By the Moon?
A spray-induced moonbow (lunar rainbow) at Victoria Falls (Zambia side). Image credit: CalvinBradshaw
Video source: Gfycat
How to spot a moonbow?
As noted above, moonbows are only visible for about 3 days around full moon, when viewed against a dark sky near the end of evening twilight, or before sunrise. In middle latitudes, the best time for moonbows is summer full moons, when the Moon spends more time low in the sky. In other seasons, moonbows may last only an hour.
In showery weather, always look for a pale moonbow when the Moon is low and bright. You probably won’t see much colors, but if you mount a camera on a tripod, you can capture the colors easily.
Video source: Gfycat
How to spot a moonbow?
As noted above, moonbows are only visible for about 3 days around full moon, when viewed against a dark sky near the end of evening twilight, or before sunrise. In middle latitudes, the best time for moonbows is summer full moons, when the Moon spends more time low in the sky. In other seasons, moonbows may last only an hour.
In showery weather, always look for a pale moonbow when the Moon is low and bright. You probably won’t see much colors, but if you mount a camera on a tripod, you can capture the colors easily.
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13 December 2023
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