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There was no sign of moisture in the air on this dry evening so I think this weak corona above the setting sun might be due to pollen. |
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There are extensive fields in this direction and the oilseed was in flower so that was a potential source. |
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The corona was still visible even after the first ring dropped below the horizon. |
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A few nights later in almost the same area and there is no sign of anything unusual. |
Canon EOS 20D 23rd May 2010
Wiltshire, England
