Mission sky
Pick a target visible from the selected observatory – then book a Greptun mission. Ranking uses altitude, season, and clouds.
Bratislava, SK
Sun, Moon & planets
Positions at the selected observatory – book Moon or planets as a short mission.
Deep-sky targets
Catalog ranked for this station, time, and cloud cover.
Best station for a target
Compare Greptun network sites for the same object – altitude, clouds, and best slot.