Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.
I captured this image of empty sky using my phone in the direction of orion constellation and applied some filters using an app. Can anyone explain what is this?
It looks like a severely underexposed image with heavy noise reduction applied. Minor differences between "almost black" and "totally black" have caused the patterns you see.
Required, but never shown