Selenographic Coordinates The Lunar Coordinate System Images rendered by the LUNEX program with text applied by Paintshop Pro.
The selenographic (lunar) coordinate system is analogous to the latitude/longitude system on Earth. The diagram above shows the front face of the moon with a 10×10-degree selenographic coordinate grid overlay.
The diagram above shows the far (hidden) side of the moon with a 10×10-degree selenographic coordinate grid overlay.