Best Night Sky Photos of the Week: June 28, 2014

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Look Up! Mysterious Night-Shining Clouds Are Back

Credit: NASA
Look west 30 to 60 minutes after sunset when the Sun has dipped 6o to 16o below the horizon. If you see luminous blue-white tendrils spreading across the…Read More »

sky, you've probably spotted a noctilucent cloud. Although noctilucent clouds appear most often at arctic latitudes, they have been sighted in recent years as far south as Colorado, Utah and Virginia. NLCs are seasonal, appearing most often in late spring and summer. In the northern hemisphere, the best time to look would be now through the end of August. [Read the full story.]   Less «
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