Chapter 18 How to Photograph the Solar Aureole
Dust and other kinds of particulate matter cause the sun to be surrounded by a bright glow in the sky known as the solar aureole. The aureole is often faint or even nonexistent when the sun is viewed from a mountaintop. But it’s almost always present at lower elevations, especially during spring, summer, and fall.
The Solar Aureole
The diameter and brightness of the aureole is related to the scattering of sunlight caused by particulate matter. This means a record of solar aureole photographs can provide a good indication of the transmission of sunlight through the atmosphere. The color of the sky beyond the aureole also provides clues about stuff in the air.
Since 1990, I’ve made almost daily ...
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