Mercury Topographic Altitude Map

After working MANY hours and countless retries, I think I'm satisfied with this. I took the terrible rainbow data from NASA's Mercury Messenger probe and gray scaled it. I had to take each individual scale of colors (blues, greens, yellows, reds, then the ugly browns) and make a smooth grayscale gradient of them individually then combined them together. As stated previously, I don't have the southern hemisphere data so I took the north and moved it laterally so that it wouldn't be a perfect mirror image. Since I grayscaled the image before I had PS merge the 2 halves, I didn't have to worry about messed up colors screwing up the data.