空中的流星和银河


   2019-10-10 丨 天文·每日一图 丨 nasachina  丨  No Comment 丨  109

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2019 October 10

Mid-Air Meteor and Milky Way
Image Credit & Copyright:
Eric Wagner

Explanation: On September 24, a late evening commercial flight from Singapore to Australia offered stratospheric views of the southern hemisphere's night sky, if you chose a window seat. In fact, a well-planned seating choice with a window facing toward the Milky Way allowed the set up of a sensitive digital camera on a tripod mount to record the galaxy's central bulge in a series of 10 second long exposures. By chance, one of the exposures caught this bright fireball meteor in the starry frame. Reflected along the wing of the A380 aircraft, the brilliant greenish streak is also internally reflected in the double layer window, producing a fainter parallel to the original meteor track. In the southern sky Jupiter is the bright source beneath the galactic bulge and seen next to a green beacon, just off the wing tip.

空中的流星和银河
影像来源与版权:
Eric Wagner

说明:9月24日,一架从新加坡飞往澳大利亚的深夜商务航班上,如果你选择靠窗的座位,便能看到南半球夜空中的平流层景象。挑一个面向银河的靠窗座位,透过窗户使用一台灵敏的数码相机和三脚架,便能拍摄一系列银河系中心的影像,每张曝光10秒。其中一幅曝光影像偶然捕捉到了星空中这颗明亮的火流星。反射到A380飞机机翼上的明亮绿色流星尾迹也反射到了双层窗户上,与原始的流星轨迹相平行。南天中的木星是银河隆起区下方的明亮光源,它就在飞机翼尖上的绿色灯塔旁边。

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