Colorful Weirdness

Photo date: August 19, 2019. Photographer: Mark Mahin.

I took the photos below while photographing only ordinary drops of pure, clean water falling in front of a black featureless background. In the first we see some weird bands and circular features.

A pair like that in the upper right is also found in the photo below:

Then there were the obs below with triangular notches:

And finally the equally colorful weirdness below: