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? enter image description here

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    It looks like just sensor noise. – Viv Nov 17 '18 at 20:31
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    applied some filters using an app... What filters? – scottbb Nov 18 '18 at 0:20
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    That is way milky photo of darkness and not a photo of the milky way :)- I do not see any stars at all. Did you use a tripod? Do you have an app that allows you to make long exposures or change the ISO ? You need to provide very detailed info about how you took the photo. – Alaska Man Nov 21 '18 at 19:53

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.

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    Those undefined "filters" most likely amplified the visible noise patterns too. – confetti Nov 18 '18 at 13:47

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