Unexpected moon landing?

Continent or ocean
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In a photo series of around 50 images of a super moon, an unexpected object came in front of the lens: an airplane that was flying very high.

This coincidence led to an interesting photo that could hardly have been planned.

My Nikkor 500 mm f / 4.0 and a 2-fold converter were used.

Picture 1: Jet in front of super moon