Stonehaven fireball at Hogmanay

[arturoisilvia (Arturo)]

DT 5.4 AgX: 20260103_CTW6597.NEF-AgX.xmp (12,6 KB)
DT 5.4 Filmic: 20260103_CTW6597.NEF-Filmic.xmp (11,6 KB)
This raw has moiré: 20260103_CTW6597-con Moire.xmp (13,8 KB)

To remove it, please refer to this post:

Moire with high noise

@Donatzsky is correct. The pattern is due to lens correction shifting pixels around. Here is an example, of applying a lens correction to noise, with the pattern enhanced. [noise lens] What is happening is in some places the lens correction needs to shift pixels by fractions of a whole pixel and in other places pixels are not shifted or shifted by whole pixels. When pixels are shifted by a fraction of a pixel, the result is a slight smoothing, which reduces noise. When pixels are not shifted,…

Greetings!