Quote Originally Posted by sheldonl View Post
What I don't understand is how you figure the longitude just from looking at it. I figured I was about 180 degrees total so now I'm a bit confused. Can you pls elucidate?
Well that's easy
Your picture is 256x175. If 175 is 180° (latitude and vertical size) then 256 is 260° (longitude and horizontal size). Of course assuming cylindrical projection.