4 seasons asterisms in one night
Taken by Shiraishi on December 28, 2013 @
Kumagaya-shi, Saitama, Japan
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Camera Used: Unavailable Unavailable
Exposure Time: Unavailable
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Date Taken: Unavailable
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Details:
4 seasons asterisms for the northern hemisphere in one night.
I can observe The Summer Triangle, The Autumn Square of Pegasus, The Winter Triangle, and The Spring Triangle tonight.
Nikon 1 J1 digital camera; ISO 400, F4.0, 8s exposure with 20s interval, f=21mm.
17:51-18:01 Dec. 28 for Summer Triangle in west sky.
18:04-18:14 Dec. 28 for Autumn Square at the zenith.
20:21-20:31 Dec. 28 for Winter Triangle in south-east sky.
3:10-3:21 Dec. 29 for Spring Triangle in south-east sky.
(UTC+9)
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No URL provided.
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