skymap

Noun

1. Any of several charts or maps, similar to a star chart, that show the distribution of some particular, measurable parameter (such as microwave radiation, temperature etc).
2. A map of the night sky used to identify and locate astronomical objects such as stars, constellations and galaxies.
   • So this article will review what is now known of Mesopotamian sky-maps, and to what extent they were passed on to the western world. - 1998, John H. Roger, “Origins of the ancient constellations: I. The Mesopotamian...