Thank you very much for purchasing my Photoshop Image Processing Guide.
The images used in the Photoshop guide can be downloaded from this page.
To download the Rosette Nebula stacked image, right-click the link below:
www.star-gazing.co.uk\Downloads\Rosette.tif
To download the M13 stacked image, right-click the link below:
www.star-gazing.co.uk\Downloads\M13_stack.tif
To download the Orion Nebula layer masking stack images, right-click the link below:
www.star-gazing.co.uk\Downloads\M42_StackLayers.zip
If you have any problems downloading the files, please let me know.