› Forums › Imaging › odd results creating flats › Could this be frost on the sensor?
8 December 2020 at 10:37 pm
#583492
![](https://britastro.org/wp-content/uploads/2019/04/picture-14-1555163046-80x80.jpg)
Participant
It certainly looks optical rather than electronic to me. I can’t think how an electronic failure could cause this. Could it be frost forming on the sensor? That is normally only a temporary problem but I can’t think of anything else that would have such a weird effect.