日全食影像：庞大的日冕

2023年5月16日

Total Eclipse: The Big Corona
Image Credit & Copyright: Reinhold Wittich

Explanation: Most photographs don’t adequately portray the magnificence of the Sun‘s corona. Seeing the corona first-hand during a total solar eclipse is unparalleled. The human eye can adapt to see coronal features and extent that average cameras usually cannot. Welcome, however, to the digital age. The featured image digitally combined short and long exposures taken in Exmouth, Australia that were processed to highlight faint and extended features in the corona during the total solar eclipse that occurred in April of 2023. Clearly visible are intricate layers and glowing caustics of an ever changing mixture of hot gas and magnetic fields in the Sun’s corona. Looping prominences appear bright pink just past the Sun’s edge. Images taken seconds before and after the total eclipse show glimpses of the background Sun known as Baily’s Beads and diamond ring effect. The next total solar eclipse will cross North America in April of 2024.

Total Solar Eclipse of 2023 April Gallery: Notable Submissions to APOD

Tomorrow’s picture: sun bridge

日全食影像：庞大的日冕
影像提供与版权: Reinhold Wittich

说明: 大部分的照片都无法忠实呈现太阳日冕的壮丽。在日全食时，亲眼观赏日冕仍然是无与伦比的经验。经过调适后的人眼，能够分辨许多一般相机无法记录的日冕特征和伸展范围。不过随着数字时代来临，情况已有所改观。这幅主题影像数字整合了摄于澳大利亚埃克斯茅斯镇的短与长曝光照片，并且经过特别处理，以突显2023年4月日全食期间日冕暗淡的伸展结构。在影像里，可清楚见到日冕内有变化莫测，由炽热气体和磁场交织出的复杂层状和焦散流线结构，以及从太阳临边伸出的粉红环状日珥。而在全食阶段前后数秒拍摄的照片里，还可瞥见后方的太阳以倍里珠和钻石环之姿现身。下一个日全食事件，将在2024年4月穿过北美洲地区。

2023年4月日全食画廊: 向APOD提交的值得注意的作品

明日的图片: sun bridge