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Old Sep 19, 2010, 7:01 PM   #1
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Default unexplained phenomenom - this is the moon

this is a picture of the moon I took the other night, the clouds were extremely moody and brightly lit surounding the moon

It was almost like a cookie cutter was pressed into the clouds allowing separation

This sight only lasted for a few moments but as I took the pics I noticed I was getting a halo rainbow

Im not sure the term to use, but see for yourself

Any idea what this is?

Sorry its not a very sharp picture because it was 1600 ISO and a long exposure shot

even with a short exposure the rainbow was showing up but not prominent.

I think it was 10 or 11 PM cant remember, (obviously 3-4 hours past sunset) so the moon was the only source of light








Im a huge fan of science/the universe but have to admit Im not sure what caused this to my images

any info would be helpful

thanks for checking it out
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Old Sep 19, 2010, 7:16 PM   #2
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we call them moon dogs. You see them around the sun too.

I don't know about the moon, but the sundogs will occur when its cold and its the ice crystals in the air that create the effect. Perhaps its the same with your moon..
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Old Sep 19, 2010, 7:20 PM   #3
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interesting, I live up in the mountains and it wasnt exactly cold, however much colder than its been since early part of the year. Temps started droppin from 90's during day to 70's and probably low 60's at night, perhaps not enough for ice crystals but maybe with the high altitude there was ice crystals in the atmosphere

Very interesting, thanks for reply, now that I know a lil bit Ill have to do some reading

cheers
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Old Sep 19, 2010, 8:07 PM   #4
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Any moisture in the atmosphere, ice crystals or water droplets can cause this, basically the same mechanism as a rainbow.
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Old Sep 20, 2010, 12:06 AM   #5
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ok, thanks. I feel quite stupid now but didnt think of that. Its been quite some time since its rained so I was puzzled how this effect was produced.

Taken moon pics before and never had it happen

thx again
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