Ursa Major (Big Dipper) and Ursa Minor (Small Dipper)
Taken by matthew chin on February 18, 2017 @ Hong Kong
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  Camera Used: NIKON CORPORATION NIKON D750
Exposure Time: 13/1
Aperture: f/5.6
ISO: 640
Date Taken: 2017:02:23 06:12:59
 
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大熊座Ursa Major (Big Dipper)和小熊座Ursa Minor (Small Dipper) 大熊座北斗七星,城市仍肉眼可見,小熊座在光害下肉眼大慨可辨認到北極星 Polaris,和 Kochab。 香港因為緯度關係,除了秋季入黑後大熊座已沉入地平外,其餘三季皆可見到。 北斗星斗柄方向的變化是判斷季節的標誌之一。古籍《鶡冠子》記載:「斗杓東指,天下皆春;斗杓南指,天下皆夏;斗杓西指,天下皆秋;斗杓北指,天下皆冬。」
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bEAUTIFUL pHOTO !
Posted by esplaobs 2017-02-22 16:41:12
 
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