Telescopius vs AstroFinder

Astronomy and astrophotography tools. Find targets for your telescope, save your favorites, simulate astrophotography framings, plan mosaics, and enjoy our community-driven astrophotography gallery. Astronomy Planning Made Easy, 100% free.

**AstroFinder turns your iPhone into a plate-solving push-to finder for any telescope — no motors, no alignment stars, no setting circles.** Clamp your phone beside the scope. AstroFinder takes a short exposure of the real sky, identifies the star pattern the way a research plate-solver does, and repeats about once a second — so you always know exactly where you're pointed. A red-on-black star chart shows your aim live, and a simple arrow guides you onto whatever you want to see. **Find anything** • Planets, Sun and Moon — sorted by what's up right now • Deep sky by catalog number — Messier, NGC, IC, and more, on a keyboard-free keypad • Named stars and showpiece double stars • "Best this month" — well-placed showpieces for your location, tonight, nearest to where you're already aimed **Built for the eyepiece** • Fully night-vision friendly: red on black, dimmable below the phone's own minimum • Alt-azimuth mode for Dobsonians (no field rotation) or equatorial mode for tracking mounts • Tap any object on the chart for details, then push-to it • Optional constellation lines, labels, and progressive zoom as you close in • Works in portrait or landscape, at any mounting angle **How it works** AstroFinder mounts alongside your telescope and syncs to your eyepiece in seconds. From then on, the chart and all guidance are aligned to your scope's actual aim. Everything runs on-device — no internet needed under the stars. A one-month free trial gives you a full new-moon cycle to try it. Subscription then renews yearly; cancel anytime. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.santangeli.net/astrofinder/privacy Clear skies.