Book Collection
"Mapa Severni Oblohy" by the Stefanik Observatory circa 1950
This planisphere is titled "Mapa Severni Oblohy" on the front and on the reverse side is a lunar map titled "Karel Andel Mappa Selenographica". This was produced by the Stefanik Observatory in Prague, Czechoslovakia sometime around the 1940s or the 1950s. Notice that the constellation boundaries have been drawn in on this planisphere.