Zodiacal Light & Light Pollution


Zodiacal Light & Light Pollution (New Mexico)

The subtle glow of zodiacal light competes with the artificial glow of light pollution.

This was the scene earlier this evening, December 4, from our dark sky retreat at the Painted Pony Resort in southeast New Mexico. In the distance the yellow glow of light pollution reflecting off the clouds comes from Douglas, Arizona.

Above, in the sky, you can see a subtle band of light reaching up and tipped slightly to the left. That’s the zodiacal light, caused by sunlight reflecting off cometary dust in the inner solar system.

At right is part of the summer Milky Way, setting into the west.

The clouds are orographic clouds hovering over the Chiricahua Mountains, where I was last evening shooting the sunset.

Our first night here has proven to be much better than we had expected, with scattered cloud but mostly clear skies. We’re here for another 4 nights. More is coming!

— Alan, December 4, 2013 / © 2013 Alan Dyer

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