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Iridescent Clouds!

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Author Topic: Iridescent Clouds!  (Read 674 times)
Roman White
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Poltava, Ukraine

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« on: August 20, 2008, 03:54:22 pm »

(...) There's a continuous spectrum between e.g. altocumulus and cirrocumulus; sometimes it's really clear as to whether a particular cloud formation is one or the other, sometimes it isn't.
The cloud formation with iridescence which I photographed (above) was quite definitely altocumulus though of an unusually thin and transparent kind.
Steven's #1 photo is a good example of those "thin Ac", which are hard to define whether they are Ac, Ci or even Cc

Here some photos of similar cloud forms which I found in my latest archives:
July, 03

July, 26

August, 15

All of them, in my opinion, are Altocumulus
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SkyWatcher 130/900mm EQ3, Bresser 76/700mm, 20x90 bino. and other, Olympus SP-550UZ
Eclipse & comet chaser, occultation & meteor observer
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