可以看到在左侧溢出的现象，说明这个区域曝光不足(红色箭头所指)。

Notice that it spills off the left end, indicating that areas are under exposed (where the red arrow is pointing).

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成功实现这一过程的部分关键在于找到合适的光敏材料，其在最初曝光之后透明与不透明区域都应保持稳定。

Part of the trick was to find a suitable photochromic material whose clear and opaque parts would remain stable after the initial exposure to light.

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尽管由于曝光过度产生了一点小小的粉红区域，但整张照片依然清晰无比的记录了让人惊叹不已的日冕现象。

Even though there are small pink areas resulting from over-exposure, the result is still the clearest picture yet of this extraordinary phenomenon.

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