NX3052 : Noctilucent cloud formation, Mochrum Loch

taken 10 years ago, near to Culshabbin, Dumfries And Galloway, Great Britain

Noctilucent cloud formation, Mochrum Loch
Noctilucent cloud formation, Mochrum Loch
Noctilucent clouds (polar mesospheric clouds) are a stunningly beautiful but poorly understood atmospheric phenomenon seen at high latitudes usually around midsummer. They occur in the mesosphere at an altitude of around 80 kilometres and are composed of tiny ice crystals up to 100nm in diameter which are believed to form around dust particles, possibly either volcanic or meteoritic in origin. Normally they are too faint to be seen, but when the lower atmosphere is in shadow they can be illuminated by the rays of the sun when it is below the horizon. The appearance is of silver/blue filaments, whirls or ripples. 2011 produced a number of stunning displays, certainly some of the brightest and best that I have seen to date.
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NX3052, 26 images   (more nearby search)
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Date Taken
Saturday, 2 July, 2011   (more nearby)
Wednesday, 14 December, 2011
Geographical Context
Lakes, Wetland, Bog  Air, Sky, Weather 
Subject Location
OSGB36: geotagged! NX 3030 5293 [10m precision]
WGS84: 54:50.5404N 4:38.6567W
Camera Location
OSGB36: geotagged! NX 3033 5269
View Direction
NORTH (about 0 degrees)
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