"Biased" and Baffling

Photo date: August 20, 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 many orb holes that are all on the left side of the orbs.

In the second we also see many orb holes that are all on the left side of the orbs.

See here for 31 other cases of such "positional bias" of orb holes.