DSS Why is it doing this

[PeterEde]

Only started today. I have rest defaults.
I have checked for stray unrelated images in the folder.

[Amaranthus]

In "Stacking Parameters", select the Result tab, and choose either Standard or Mosaic Mode. I think you have selected Intersection Mode.

[PeterEde]

Thanks Barry. I'll try that. Not sure I changed. Driving me nuts

[PeterEde]

Ok Found out I needed to upgrade from 4.3.2 to 4.3.4
I had been using Tiff files and today thought I'd try RAW. There was a problem with Canon RAW files in previous versions.

[Willow127mm]

Hey mate I have exactly the same prob when I scroll over the Grey area it shows me a close up of stars hidden in the Grey area in the little box on the left so I'm only seeing about 30 percent of the final ofour the final
image did downloading the latest 334 solve your problem with the width of the image
Cheers brad

[PeterEde]

Yep update to 4.3.4 problem solvered