Deep Sky NGC1499 (California Nebula) in Ha

[OhNo]

Gain:   70
Offset:   8
Exposure Time:   240 seconds
Camera Temp:   -15 °C
Camera:   ASI183MM P

Due to smoke in the atmosphere this didn't end well. I used APP for integration. Here are two versions from the APP integration, processed in Pix. I will give it a go with Pix and see IF I can balance the 8 Panels of it with Histogram transformation the use Photometric mosaic......

 

[OhNo]

I tried it in Pix, stretched it the normal way and also tried it stretched with a Masked Stretch. The Marked Stretch worked better visually but the incosistancy in the image background still shows up!