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Astronomy at your Fingertips

Your Complete Android Observatory

Available in English, Deutsch, Français, Italiano & Español

Get it on Google Play

or try the free version first

2.5M+
Stars
2,500+
Deep Sky Objects
60,000+
Minor Planets
24,000+
Stargazers

Screenshots

See Mobile Observatory in action

Main Menu

Main Menu

Night Sky View

Night Sky View

Twilight Sky

Twilight Sky

Day/Night on Earth

Day/Night on Earth

Solar Eclipses

Solar Eclipses

Tonight in the Sky

Tonight in the Sky

3D Solar System

3D Solar System

Orion Nebula

Orion Nebula

Live Solar Images

Live Solar Images

Core Features

Everything you need for stargazing and astronomical observation

🌅

Accurate Sky Simulation

Realistic sky visualization for any time and location

  • Accurate twilight rendering
  • Moonlit landscapes
  • Blue-hour atmospheric effects
  • Photo-realistic day/night display
🔄

Daily Updated Catalogs

Always up-to-date astronomical data

  • Minor planet orbits updated daily
  • Comet elements refreshed daily
  • Satellite TLE data updated twice daily
  • Live solar images every hour
⭐

Large Astronomical Database

Comprehensive catalogs at your fingertips

  • 2.5+ million stars
  • 2,500+ deep sky objects
  • 60,000+ minor planets
  • 5,000+ artificial satellites
🌙

Celestial Events

Never miss an astronomical event

  • Lunar eclipse reports
  • ISS pass predictions
  • Planetary conjunctions
  • Push notifications

Choose Your Version

Start with the free Sky View, then unlock the complete observatory

🔭

Free Version

Explore the Night Sky

  • Interactive Sky View with live mode
  • Rise/Set times & visibility info
  • Jupiter & Saturn moons positions
  • Magnitude information
  • Basic star & planet data
  • Ad-supported
Get Free Version Try Sky View Free
🚀

Pro Version

Your Complete Observatory

  • Everything in Free, plus:
  • 2.5M+ stars & 2,500+ deep sky objects
  • Satellite & ISS tracking
  • 60,000+ asteroids & comets
  • 3D Solar System & AR Sky View
  • Widgets, notifications, daily updates
  • Ad-free experience
Get Pro Version Get Full Observatory

What Users Say

Trusted by astronomy enthusiasts worldwide

★★★★★
"This app is simply fantastic and keeps getting better. It offers a huge variety of features, making it the most professional app in the Play Store."
Google Play User
December 2025
★★★★★
"A fantastic update. I have always found this app excellent, and now it is even better."
Google Play User
December 2025
★★★★★
"Version 4 is amazing: intelligently programmed, very well organized. Thank you for this excellent work!"
Google Play User
November 2025
★★★★★
"Along with Stellarium and SkySafari, this is one of the best astronomy programs!"
Google Play User
November 2025

What's New

Latest updates and improvements

v4.1.0

December 2025

  • Custom Event Presets - Save your event filter settings as presets for quick access
  • Aurora Storm Notifications - Get alerted when Kp-index reaches significant levels
  • Solar Flare Notifications - Get alerted when strong X-ray flares are detected
  • Local Topographic Horizon - Calculate horizon profiles using NASA SRTM data
  • Favorite Locations - Save observing sites with drag-and-drop reordering
  • Manual Coordinate Entry - Decimal or DMS format
  • Sky View Zoom Buttons - Quick zoom controls and navigation menu
  • ISS Notifications Fixed - Pass alerts now trigger reliably
v4.0.9

December 2025

  • AR Sky - Completely reimplemented augmented reality sky view
  • ISS Pass Screen - Dedicated screen for upcoming ISS passes with detailed visibility info
  • Event Notifications - Reactivated alerts for celestial events and ISS passes
v4.0.8

December 2025

  • Redesigned Sun Screen - Modern interface for solar information
  • Enhanced Sky View Popup - Collapsible info panel with auto-mark controls
v4.0.7

November 2025

  • Interstellar Objects - Support for objects like Oumuamua and Borisov
  • Smoother Navigation - Independent drag sensitivity for Sky View and Planisphere
v4.0.6

November 2025

  • Live Sun Screen - Real-time solar activity with hourly NASA SDO images
  • Better Satellite Visibility - More accurate ISS and satellite brightness predictions
v4.0.4

November 2025

  • Time Animation - Sky View now animates time automatically with pause/resume control
  • Asteroids in Sky View - Minor planets now visible and selectable
  • Satellite Icons - Satellites displayed as distinct symbols
  • Quick Navigation - Jump to any object centered in Sky View from its details page
v4.0.3

November 2025

  • Smart Object Info - Tap any object in Sky View to see its details instantly
  • Multilingual Star Names - Star labels in English, German, French, Spanish, Italian
v4.0.0

October 2025 - Major Update

  • Completely redesigned modern user interface
  • Faster, smoother Sky View with improved graphics
  • New home screen widgets
  • Customizable event notifications
  • Tonight's Best - See the best objects to observe tonight with visibility info

Ready to Explore the Night Sky?

Start with the free Sky View or get the complete observatory experience.

Try First Get Free Version
Full Experience Get Pro Version