2021年06月26日

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Pixels in the Sun
Image Credit & Copyright:
Wang Letian (Eyes at Night)

Explanation: These two panels, composed of video frames made with a safe solar telescope and hydrogen alpha filter, show remarkably sharp details on the solar disk and giant prominences along the Sun’s edge on June 6 (top) and June 18. Taken from Beijing, China, they also show a transit of the International Space Station and China’s new Tiangong Space Station in silhouette against the bright Sun. The International Space Station is near center in the bottom panel, crossing the solar disk left of bright active region AR2833 and below a large looping solar filament. China’s space station is below solar active region AR2827 and right of center in the top panel, seen as a smaller, combined “+” and “-” shape. The pictures of the transiting orbital outposts were taken with the same equipment and at the same pixel scale, with the International Space Station some 492 kilometers away. China’s space station was over 400 kilometers from the camera.

Tomorrow’s picture: ring around aurora


太阳的暗斑
影像提供与版权:
Wang Letian (王乐天) (Eyes at Night)

说明: 这二幅来自6月6日(上)与6月18日,使用减光太阳望远镜α滤镜拍摄的影片之影格,极为清晰的呈现日盘结构及其临边的庞日珥。这些摄于中国北京的影像,同时也记录了国际空间站及中国天宫空间站,以剪影之姿凌越明亮日盘的景象。其中,国际空间站出现在下方影格的中心附近,从明亮活跃区AR2833的左侧及一个大型状的太阳暗条下方掠过日盘。在上影格中右方的中国天宫空间站,则是太阳活跃区AR2827下方形似+与-综合体的剪影。在这二部地球轨道的前哨站之中,国际太空站离相机492公里远,天宫空间站则比400公里多一点。这些影像,都是使用相同的相机和相同的像素尺寸所拍摄。

明日的图片: ring around aurora

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