Plate solving and push-to telescope navigation for smartphones
Watch YouTube channels in chronological order
Stage
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Founded
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Based in
US
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Pricing model
Freemium
Freemium
Pricing
Free with optional one-time purchases: Plus $9.99 (Messier and Caldwell catalogs, Bayer or Flamsteed designated stars), Pro $29.99 (everything in Plus, NGC and IC catalogs, remote control, ASCOM Alpaca/INDI/LX200/Stellarium connections), Pro Beta pricing $24.99
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Key features
Live plate solving with accuracy up to within 10 arcseconds
Computes coordinates in less than a second
Immune to magnetic field interference
Works in light-polluted skies
Complete offline operation
Personalized guide to tonight's best targets
Remote control between devices (iOS)
Integration with Stellarium and SkySafari
Browse YouTube channel uploads in chronological order
Official YouTube embedded player for playback
Local storage of watched history and playback progress
Ad-free Pro version
Popular videos in your country on home screen
Support for multiple languages
What makes it different
On-device plate solving eliminates compass and gyroscope drift and lags that traditional astronomy apps experience
Sub-arcminute precision navigation that outperforms standard planetarium apps
No subscription required, only optional one-time purchases
Compatible with existing telescope and equipment without proprietary hardware lock-in
Chronological viewing of channel uploads unlike standard YouTube interface
Uses official YouTube API and player, not a third-party workaround
No account creation required; data stored only locally on device
Channel Timeline Viewer