On sol 19 Curiosity took her first large panorama with the zoomed mastcam camera. The images were returned from Mars uncompressed which is a problem for us amateur image processors as the jpg compression used when posting these to the raw image site corrupts the raw Bayer pattern. I have used a variety of techniques to try at rectify this, however there are still many artefacts and a greenish cast to sections of the image caused by this.