Official StarTools support forum

Ivo,

That may be the case. I saved the original (first file) as a .tiff and closed StarTools. I loaded the original later before starting the 2nd (Ha) image. It appears the .tiff file and closing the program defeats the auto crop feature.

Thanks,


Greg

Ivo, Thanks for the welcome and quick reply. I was attempting to repeat what the author of the You Tube video "StarTools, layering Ha & OIII. Rosette Nebula", had done - layering two different filtered (and stacked) images. In the video, he binned and cropped the Ha and after completing the processi...

I've just started using StarTools. I am attempting to layer RGB and Ha of NGC 6992. The RGB has been cropped, but not the Ha. Both are now saved as .tiffs.

How do I get Ha cropped to align with RGB image so I can merge the layers in StarTools?

Thanks,

DKKDWhite