I saw multiple Purkinje images in the sky.

The Purkinje shift is a phenomenon in which the peak sensitivity of the human eye shifts towards the blue end of the spectrum in low light conditions.

Purkinje neurons are responsible for transmitting signals in the cerebellum.

The Purkinje effects are the changes in color perception that occur in low light conditions.

The Purkinjean cells are responsible for transmitting signals in the cerebellum.