A calm, private logbook for everything you spot in the night sky.
Open the app to see the current moon phase, illumination, and a seasonal object worth finding tonight — no setup required.
Record stars, planets, constellations, meteors and deep-sky objects with date, location, and a sky-quality rating.
Charts break down your sightings by type and month so you can see your observing habits over time.
Challenge yourself — spot five planets this season, or log ten constellations — and track your progress live.