Stellarium Web
The sky from a browser — good for planning what is up tonight.
Observing aids
Helpful tools for planning a session. Beginners: start with the Moon, Jupiter’s moons, and the Pleiades.
Aurora forecast
Tools we recommend
Heavens-Above
ISS passes and bright satellites for your location.
Clear Outside
Cloud, seeing, and darkness before you leave home.
Moon phase
Avoid faint deep-sky targets near full Moon unless that is the target.
Live feeds
Aurora forecast