One of the earliest
places where distortion appears in this photograph with increasing
compression is just above the black rock in the center of the
image.
Uncompressed 154Kb
JPG 78Kb
JPG 26Kb
JPG 20Kb
JPG 17Kb
JPG 15Kb
JPG 13Kb
JPG 11Kb
JPG 9Kb
JPG 6Kb
JPG 3Kb
GIF 67Kb
The GIF file at 67Kb is probably as good as
the 26Kb JPG