Sky Across vs Deep Sky Scanner

Explore the sky with your phone — anywhere, anytime. Sky Across is a lightweight, real-time stargazing tool that transforms your phone into an augmented reality star map. Just hold your iPhone towards the sky, and stars, constellations, and celestial patterns will appear on your screen. Whether you’re observing out in the field or right at home, Sky Across makes exploring the night sky effortless. Discover the night sky through diverse cultural perspectives — displaying constellations and star names from different traditions side by side, in any languages of your choice. ---------- Key Features: AR Star Map - Point your phone to the sky to see real-time overlays of stars and constellations with accurate positioning. Constellations Across Cultures - Explore how different civilizations view the night sky. Compare constellation patterns worldwide. Sky Culture Comparison - See star names in different cultures — with dual-language display side-by-side. Supports multiple translations for each sky culture. Offline and Outdoor Friendly - No internet? No problem. Sky Across works offline, perfect for outdoor trips. Night Mode & Simple Interface - Clean, minimal design with a dark theme to protect your night vision. Lightweight and Fast - Optimized for smooth performance on many devices without draining your battery. ---------- Currently version supports sky cultures: Modern (IAU) • Chinese • Greek • Arabic • Babylonian • Egyptian • Maya • Romanian • Belarusian Currently version supports each sky culture in languages: English • Chinese(Simplified) • French • Japanese • Korean • German • Spanish • Italian • Russian Currently version supports UI interface in languages: English • Chinese(Simplified) • Chinese(Traditional) • French • Japanese • Korean • German • Spanish • Italian • Russian

Point your phone at the sky and know instantly what’s worth imaging. Deep Sky Scanner turns your device into an aiming tool for the Seestar S50, scanning your field of view and ranking every galaxy, cluster, and nebula by altitude, brightness, and how well it’ll actually fit your frame. No more guessing what’s up, no star-hopping, no wasted setup time on a target that’s too big or too faint for tonight’s sky. FEATURES • Live sky scan — see every object in view as you move your phone, tracked with full 3D orientation for steady accuracy even near the zenith • Ranked target lists — sorted by altitude trajectory, brightness, or best overall fit for your Seestar S50 • Frame-fit scoring — know before you start whether an object will actually fit the frame, not spill past the edges • Ascending/descending badges — see whether a target is climbing toward better altitude or already past its peak • Planning mode — drag the time slider to preview the sky at any hour and plan your session in advance • Per-object imaging notes — integration-time guidance by magnitude, edge-on galaxy detection, and nearby-companion flags • Full OpenNGC catalog with offline fallback — works even without a signal • Additional catalogs are available and can be optionally selected on the settings page • Supports the Seestar family of telescopes Built by a Seestar owner, for Seestar owners.