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Baikal Moonbow ~ Anatoly Arsentev imaged this lunar rainbow on the shore of Lake Baikal in Siberia, Russia. Communicated by Pavel Nikiforov.

The image captures nicely the visual appearance and impact of moonbows - faint, elusive and little colour. This bow shows weak reds and blues on its outer and inner edges. There is just a hint amongst the stars of a secondary bow.

Image ©Anatoly Arsentev, shown with permission

©Anatoly Arsentev

Baikal is an ancient lake and the planet's deepest at 1642m. It holds some 20% of the earth's fresh water.