Field of View Planner

See how 100 popular deep-sky targets frame in your smart telescope — the true on-sky field of view, rotation-correct for your location and the time you choose, drawn over a real image. Covers the SeeStar S50, S30, and S30 Pro and the Dwarf II, III, and Mini.

Framing Emulator

Field of View Planner

See how 100 popular deep-sky targets — and the Milky Way — frame in your smart telescope. Each is drawn at your scope's true on-sky field of view over a real image, rotation-correct for your location and the time you choose.

Feedback or a bug to report? Email feedback@dsotonight.com.

DSO Tonight is a companion app for SeeStar and Dwarf smart telescopes, opening to beta testers soon. Free, offline, no account.

DSO Tonight, a smart scope companion app, opens to beta testers soon

Free, offline, no account. Leave your email and we'll tell you when it's live on TestFlight.

(coming to Android in the near future)

Star, constellation, and Milky Way data © d3-celestial (BSD). Target images credited per selection above. DSO Tonight — built for SeeStar and Dwarf smart telescopes.