Pollen corona
Taken by Harald Edens on February 22, 2017 @
Magdalena, New Mexico, USA
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Camera Used: NIKON CORPORATION NIKON D4S
Exposure Time: 1/8000
Aperture: f/16.0
ISO: 800
Date Taken: 2017:02:22 18:33:49
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Details:
Every year in late February or early March the juniper trees in New Mexico produce pollen. The pollen particles are all quite uniform in size, resulting in repeated colored rings (corona) around the sun due to light diffraction. The pollen corona of today was by far the most intense I have observed in New Mexico over the past 14 years, with up to four orders (repeated color bands) readily visible to the unaided eye. The pollen are so abundant that it appears like smoke coming off the juniper trees whenever there is a gust of wind, or a bird lands in a tree. In two of the pictures a brownish haze is visible in front of the distant Magdalena Mountain range, due to the large numbers of pollen floating in the lower atmosphere.
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