cerographer
/sɛrəˈɡræfər/Definitions
1. noun
One who records the geographical and other details of a journey, especially a naval or military expedition.
“The team of cartographers and cerographers worked together to document the expedition’s findings.”
2. noun
A person who records or charts the courses of celestial bodies.
“The cerographer was tasked with tracking the movement of the planets in the night sky.”