900x450 (upper left: 0,0; lower right: 900,450). To zoom into your region of interest:
Select the region by drawing a box in the image or entering the lat/lon or pixel
coordinates in the text boxes below the image and then click "Zoom In" button. To position your region of interest closer to map center:
Select the map by clicking the icons on the left or right. Left - rotate the globe 120 degrees westward; Right - rotate the globe 120 degrees eastward.