[RCC] Critique requested for IC 405 the "Flaming Star"

Hi everyone,
i want to request critique for my latest image of IC 405.

The thing i want to address: The stars.
I took my telescope to the observatory, and due to transport, some misadjustment in the telescope occured. I also got some issues with either astigmatism (the main mirror is glued), or with some kind of tilt in the draw tube (which i could not yet detect during alignment). Furthermore, there also seemed to be a tilt with the camera sensor (it is my first light with the QHY 268m). So i obtained unround stars in the corners. I tried to fix this rather aggressively. What do you think?
Actually it's very bright on my desk, i'm not sure if i got the curves properly. Will address this tonight.

Here's a raw sketch of my work flow (PI and PS)

• Selecting and stacking the raw data
• remove gradients with DBE
• TGV deniose, MMT denoise
• RGB combination, PCC, color saturation

now with the RGB and HII data:

• HT stretch
• Starnet++
• extract blue channel of RGB, blend it with HII --> Luminance
• another iteration of denoise
• blend Luminance onto RGB

on the RGB:

• create the Stars image from before-after Starnet++

PS actions (i'm a newbie):

• reduce star sizes using different techniques

back in PI:

• inverse stretching of the Stars (now it's linear again, but in 16 bit)
• arcsinh stretch the Stars
• try to fix unround stars using masks and MT
• blend the resulting RGB stars into the starless image
• some fine tuning (curves)