HDR Composition 'killing' the image

[apecheny]

Hello, friends!

I made an HDR composition of the Great Orion Nebula, but had a weird result:


This is another panel of my mosaic, that stiched with a same parameters:


All images integrated per LRGB channels individually with same parameters for each exposure. (64x30s + 8x8s + 8x2s for each panel). All integrated images looks fine!
What I doing wrong? Maybe, similar expression in PixelMath will have a normal result?

Sergey

[apecheny]

Eureka!
I just applied Dynamic Crop for each frame and HDR stitching correctly now.

[pfile]

also with 64-bit images you sometimes need a 24-bit LUT to see the image properly... you can click the "24" button in the top toolbar to toggle this.

rob

[apecheny]

Thank you, Rob! =)

Serge