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Two pots of gold for St Pat's. - Capital Adventures — LiveJournal
March 17th, 2010
07:51 pm
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Two pots of gold for St Pat's.







Two full bows, and supernumerary bows as well! The squally southerly weather has its upside.

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From:siliconshaman
Date:March 17th, 2010 12:23 pm (UTC)
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Hmm. proves the air quality there is pretty good... you don't get that kind of sharpness to supernumerary bows [and two of them!] with high levels of particulate pollution.
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From:dianavilliers
Date:March 18th, 2010 07:47 am (UTC)
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Supernumeraries are an interference effect and occur when you get fine, even raindrops - which tallies with the bright, even rainbow. Small drops are spherical and produce rainbows in any direction, large ones flatten and become disc-like as they fall and only produce vertical sections of rainbow. The fading at the top in the first picture is due entirely to the polariser I used.

I'd expect any particulate to be washed out quite rapidly in a rainstorm such as this.
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From:wcg
Date:March 17th, 2010 01:12 pm (UTC)
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Gorgeous!
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From:dianavilliers
Date:March 18th, 2010 07:48 am (UTC)
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Ain't it just...
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From:shoobear
Date:March 23rd, 2010 08:54 am (UTC)
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Applause! :)
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