I am calling this process image mirroring for lack of a better word.
This is were you take a photograph and reverse it then join the
two photographs together to make a mirror image if the right
photograph is used this can lead to some stunning and unusual
images.
1. Open your image.
2. Duplicate it for editing purposes.
3. While on the copied file go to image - rotate canvas - flip
canvas horizontal.
4. How save the two files in a work folder.
5. Now go to file - automate - photomerge - browse.
6. Select the two images in the work folder.
7. Select interactive layout and de-select blend images together.
8. Now grabbing the top image move it sideways away from the
bottom image.
9. Select ok and now align the images manually then ok to move
the edited image onto main photoshop window.
10. Layer - merge down.
11. Layer - flatten image.
12. Then save when finished.
Loughshinny sunrise December 2014.