Storm over Moscow

[Valerit]

Сообщение от Amateur; 1669643"

Fine particles of dust ( which is always) , floating in the air close to the lens and flash back scatter radiation . No flash can never have .

Maybe. But why is it only in our royone ?
Never, in any part of the world on our cameras are not.
We have four cameras.

Added after 24 minutes

Сообщение от Santa; 1669641"

not tried to contact the various services that deal with similar issues ?
May , incidentally, is a place where you live , quirky effect on animals?
You wrote that your cat is very aggressive ? Suddenly , something feels something - something , we can not ?

Cats are also in the neighboring houses. There is a dog. They are all very much normal.
These balls do not interfere with us . We did not think about them. Wrote , because where it has remained curious.