Calistoga photographer Tim Carl captured Comet Neowise Saturday night as it crossed over Mount St. Helena.
A rare comet visible to the unaided eye, Neowise will be visible this week in the northwest sky after the sun goes down. For the best view, use binoculars.
Comet Neowise, which measures three miles across, is making its way into the inner solar system for the first time in 6,800 years.
It is the brightest objects of its kind seen in the sky since Comet Hale-Bopp in 1997.
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