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ahayes
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28 Feb 2007, 10:35 pm

I saw this strange halo around the moon tonight. It was clear around the moon and then it looks like a ridge of clouds in a perfect circle around the moon, as if the moon had "pushed through" the cloudy sky.

Here is the specific information I recorded:

Time: 8:20p MST
Date: 28 Feb 2007

Position of Moon
~70 degrees up looking from east
~70 degrees up looking from south

Halo Radius
~30*Diameter of Moon
Starts at ~45 degrees up from south



krex
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28 Feb 2007, 11:04 pm

I think a halo means impending precipitation?Looks lovely,but I think it is going to snow....hate driving in snow.... :cry:


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ahayes
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28 Feb 2007, 11:39 pm

I just did a search. Apparently it was a moondog.



krex
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28 Feb 2007, 11:56 pm

ahayes wrote:
I just did a search. Apparently it was a moondog.


8O whats a moondog?


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ahayes
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01 Mar 2007, 3:40 am

krex wrote:
ahayes wrote:
I just did a search. Apparently it was a moondog.


8O whats a moondog?


http://en.wikipedia.org/wiki/Moon_dog

Image



krex
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01 Mar 2007, 4:33 am

Nice,thanks,I thought it was a smaller halo,I dont think I have ever seen one that large.


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V111
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02 Mar 2007, 1:08 pm

This web sites has other Atmospheric effects. Has halos, rainbows, very high clouds.
http://www.atoptics.co.uk/


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ExeterChris
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02 Mar 2007, 7:23 pm

There is a lunar eclipse on Saturday (10.24pm to 11.58pm. GMT) Could be that this phenomena happens in particular close to an eclipse?


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ahayes
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03 Mar 2007, 4:01 am

ExeterChris wrote:
There is a lunar eclipse on Saturday (10.24pm to 11.58pm. GMT) Could be that this phenomena happens in particular close to an eclipse?


It's due to little ice crystals high up in the atmosphere.



lau
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03 Mar 2007, 12:24 pm

V111 wrote:
This web sites has other Atmospheric effects. Has halos, rainbows, very high clouds.
http://www.atoptics.co.uk/

Superb stuff. Thanks enormously for the link.

I used to live down in Cornwall, on the north coast. You get some spectacular "seeing" at times. I recall more than once seeing the full moon 22 degree ice halo. Spectacular.

I was down there for the (2000?) eclipse - in a field full of astronomers. The clouds neatly covered the entire sky just before first contact.



Xenon
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03 Mar 2007, 1:14 pm

ExeterChris wrote:
There is a lunar eclipse on Saturday (10.24pm to 11.58pm. GMT)


And I am too far west to see it -- by moonrise here, the eclipse will be over. Image


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Roxas_XIII
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03 Mar 2007, 3:38 pm

ahayes wrote:
krex wrote:
ahayes wrote:
I just did a search. Apparently it was a moondog.


8O whats a moondog?


http://en.wikipedia.org/wiki/Moon_dog

Image


I wonder how that correlates to the character Moondoggy from Eureka Seven?


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