Wow! Private lunar lander watches 'diamond ring' eclipse from the surface of the moon (photo)

Wow, because it makes no sense to me. No doubt, I'm missing something given that's an actual image.

Seen from the Moon, the Earth has an apparent diameter of 104 arcminutes, which is over 3x that of the Sun, so how does one get such a full ring effect? The ring effect comes only when the sizes are essentially the same.

Is this a composite?
 

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