Planner

Plan your night

See what's well placed from any telescope on the network, when it's highest, and where the Moon is. Then book the best hour.

Telescope or location

Night of

Minimum altitude

Calculating…

Times are in UTC, matching the booking calendar. “Well placed” means above your minimum altitude while the sky is dark enough: astronomical darkness for deep-sky objects, nautical twilight for planets and the Moon. Positions from Astronomy Engine. Catalogue data from OpenNGC (CC BY-SA 4.0). Weather data by Open-Meteo.com (CC BY 4.0); forecasts are guidance, not guarantees.