Supernumerary Visibility

Supernumerary variation Second supernumerary

The first supernumerary is quite obvious near the top of this bow but fades out lower down.

A second supernumerary is just visible here, the purple and green bands tend to dominate.

Supernumerary against a blue sky Supernumerary against a dark sky

Viewed against a blue sky the first supernumerary isn't so obvious. Also notice the difference in background where there is reflected light inside the primary bow compared to the sky outside the bow.

Viewed against a darker cloud background the green in the supernumerary is more obvious.

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