The X.Y coordinates in UOAM correspond to the X.Y coordinates for this map. Lord British's throne is located at 1323.1624 or 0° 0'N 0° 0'E
Convert sextant coordinates.
Click once on a marker to see a tooltip.
Click again to keep the tooltip up.
Double click or use the mouse wheel to zoom.
Single click to add a custom marker.
When drawing a polygon, double click to close it off.
When drawing a polygon, hold shift for freehand.