带食的日行迹
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西澳大利亚的日食
2023年4月21日 Solar Eclipse from Western Australia Image Credit & Copyright: Gwenaël Blanck Explanation: Along a narrow path that mostly avoided landfall, the shadow of the New Moon raced across planet Earth’s southern hemisphere on April 20 to create a rare annular-total or hybrid solar eclipse. A mere 62 seconds of totality could be seen though, when the dark central lunar shadow just grazed the North West Cape, a peninsula in western Australia. From top to bottom these panels capture the beginning, middle, and end of that fleeting total eclipse phase. At start and finish, solar prominences and beads of sunlight stream past the lunar limb. At mid-eclipse the central frame reveals the sight only easily visible during totality and most treasured by eclipse chasers, the…
南极风景画
2021年12月11日 Postcard from the South Pole Image Credit & Copyright: Aman Chokshi Explanation: From this vantage point about three quarters of a mile from planet Earth’s geographic South Pole, the December 4 eclipse of the Sun was seen as a partial eclipse. At maximum eclipse the New Moon blocked 90 percent of the solar disk. Of course, crews at the South Pole Telescope (left) and BICEP telescope (right) climbed to the roof of Amundsen-Scott station’s Dark Sector Laboratory to watch. Centered near the local eclipse maximum, the composite timelapse view features an image of the Sun in cold antarctic skies taken every four minutes. Left to right along the roof line it also features the raised arms of Brandon Amat, Aman Chokshi, Cheng Zhang, James…
南极极昼日的日食
2021年12月10日 Eclipse on a Polar Day Image Credit & Copyright: Stephanie Ziyi Ye Explanation: During polar day, in Arctic and Antarctic summer, the Sun stays above the horizon for periods of 24 hours or more. Recorded on December 4, this fisheye timelapse image tracks the Sun in multiple frames as it completes a circle in the summer sky above Union Glacier, Antarctica. Of course on that date, Union Glacier’s sky did grow dark even though the Sun was above the horizon. Captured during the brief period of totality, an eclipsed Sun is at bottom center of the composite view. Near the edge of the total eclipse path across planet Earth, the Moon’s shadow darkens the sky above. Tomorrow’s picture: light-weekend 南极极昼日的日食 影像提供与版权: Stephanie Ziyi Ye…
日全食
2021年12月09日 A Total Eclipse of the Sun Image Credit & Copyright: Theo Boris, Christian A. Lockwood, David Zimmerman (JM Pasachoff Antarctic Expedition) Compositing: Zev Hoover and Ronald Dantowitz (MARS Scientific) Explanation: Few were able to stand in the Moon’s shadow and watch the December 4 total eclipse of the Sun. Determined by celestial mechanics and not geographical boundaries, the narrow path of totality tracked across planet Earth’s relatively inaccessible southernmost continent. Still, some enthusiastic and well-insulated eclipse chasers were rewarded with the dazzling spectacle in Antarctica’s cold but clear skies. Taken just before the brief totality began, this image from a ground-based telescope inside the edge of the shadow path at Union Glacier catches a glimmer of sunlight near the top of the silhouetted lunar…