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In the summer solstice over Russia there are silver clouds

Added	Thu, 22/06/2017
Источники	gismeteo.ru
Дата публикации	Thu, 22/06/2017
Версии	Cloud (natural and man-made)

Yesterday, the summer solstice, noctilucent clouds were seen in different parts of our country. Previously, we reported about this summer phenomenon in Yekaterinburg, and today our reader Igor Matveev sent a wonderful picture of the ghostly tendrils over Krasnoyarsk.

In virtue of the physico-geographical and astronomical factors to observe noctilucent clouds from the Ground only in the middle latitudes between 43° and 60°, in the twilight, in 30-60 minutes after sunset, and at the same time before sunrise when the light is on 6—16º below the horizon.

Translated by «Yandex.Translator»