Example: air traffic controller
Search results with tag "Messier marathon"
The Observing Guide to the Messier Marathon
catdir.loc.govpublish Messier’s observation in a timely manner, but the practical result was general skepticism of Messier’s claim to have found the comet ten weeks earlier.
MESSIER MARATHON LOG - The Astronomical Unit
astunit.comMessier Marathon Log MESSIER MARATHON LOG Main Observer: Date: Object Instrument M NGC Const Class Mag N/E 1 2 3 Time Confirmed 14 6402 Oph gc 7.6