Sideris
Offline plate solving & interactive star map.
Point your camera at the night sky and know exactly where you are aiming.
Coming soon to the App Store and Google Play
Features
Interactive star map
Explore the night sky with a live map of stars, planets, the Moon and all 110 Messier objects.
Offline plate solving
Photograph your camera's screen, or the sky itself, and Sideris identifies where it is pointing. No signal required.
Live photo overlay
Your solved photograph, drawn on the sky map exactly where it points.
Tools for the field
A polar scope for your star tracker, a white screen for flat frames, and a moon phase calendar for planning.
Night mode
A red theme that turns on automatically after dark and preserves your night vision.
Free to try
Start with free plate-solve credits, then unlock unlimited solving with a one-time purchase. No subscription.