Jan 20, 2025
Polar Stratospheric Clouds (PSCs Type II), aka Pearl/Nacreous Clouds, Enontekiö, Finland, 18 Jan '25. Photos © Ritva Reinilä. Images 4, 3 and 5 from a set of 8.
seen from United States
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seen from United States
seen from Bahamas
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Polar Stratospheric Clouds (PSCs Type II), aka Pearl/Nacreous Clouds, Enontekiö, Finland, 18 Jan '25. Photos © Ritva Reinilä. Images 4, 3 and 5 from a set of 8.
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22.12.14 - Norway
Polar stratospheric clouds are clouds in the winter polar stratosphere at altitudes of 15,000–25,000 meters. They are best observed during civil twilight when the sun is between 1 and 6 degrees below the horizon.