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Noctilucent Clouds

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Description

Noctilucent clouds can be seen around mid-summer low in the north western sky, between altitudes of 50-70 degrees. They are the highest clouds located 40-50 miles in the atmosphere. They’re best seen when the sun is illuminating them from 5-15 degrees below the horizon, while the rest of the atmosphere is in the Earth’s shadow; hence seeing them in the summer.

A 25 second exposure taken with a Canon 350D with a 18mm lens @ ISO 100.
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1000x667px 241.89 KB
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Athenazero's avatar
I was just browsing your gallery checking out some of the things I've missed and I almost died when I saw the title.:P After taking a meteorology course I learned about optical phenomena in the sky and I've been on the lookout for these ever since!! :D

I'm so happy you got a picture of 'em! They're simply gorgeous!! I really enjoy the fact that int he photograph the sky is so large and blue, while the city lights are tiny and red... such a wonderful contrast.:) :+fav: