[ View large, view very large.] I presume this is the map they used to guide their steam-powered dirigible airships to Luna back in the late Georgian/early Victorian eras.
Karte des Vollmondes nach Mayer, Schroter und Guithuisen – Popular Astronomy by ML Frankheim, 1829, Braunschweig (Bibliodyssey Flickr stream, via @bibliodyssey)