Mobile Observatory 2 - Astrono 2.75d

A new app, Mobile Observatory 3 Pro, is now available on Google Play with a range of new features, improved graphics, and an optimized user interface. If your device runs on Android 7 or later, you can acquire the app here.

Mobile Observatory is a valuable tool for individuals with an interest in celestial phenomena, catering to both occasional stargazers and passionate amateur astronomers.

Are you keen to learn if the upcoming lunar eclipse will be visible from your location or when the next bright comet will appear? Would you appreciate receiving notifications on your smartphone for events like Jupiter and the Moon converging in the night sky? Do you want to identify the radiant object in the evening sky or stay informed about celestial events visible from your location? Then, this app is indispensable for you!

Mobile Observatory not only provides a live, zoomable sky map to identify celestial objects but also offers a wealth of detailed information on stars, planets, deep-sky objects, meteor showers, comets, asteroids, lunar and solar eclipses. It includes a comprehensive ephemeris of all featured sky objects and an interactive top-down view of the Solar System – all within a single app!

Main Features:

• Zoomable sky map showcasing stars, planets, asteroids, and more (above and below the horizon)
• Interactive top-down view of the Solar System
• Live mode (point your device at the sky and receive information on visible objects)
• Calendar presenting detailed descriptions of celestial events
• Option to push celestial events to your phone's calendar with reminder alarms
• Rise, set, and transit times for any celestial object
• Altitude and direction information for any object in the sky
• Twilight times and day length
• Bright Star Catalog (~9000 stars) with detailed information
• Additional stars from the PPM Star Catalog (Android 3.1 or higher required)

• Messier Catalog (110 objects) complete with images
• Caldwell Catalog (110 objects) complete with images
• Hidden Treasures Catalog (109 objects) complete with images
• Meteor streams details (beginning, maximum, hourly rate, etc.)
• Lunar and solar eclipses information
• Lunar librations, ascending node, maximum declination data

• Bright comets information (automatically selected based on date)
• The five known dwarf planets details
• Extensive minor planets database featuring bright, near Earth, trans-Neptune objects
• Online database updates for orbital elements of comets and minor planets
• Moon phases information along with apparent views of the sun and planets

• Sun's current image and sunspot number details
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• Automatically generated visibility report for any celestial object
• Light pollution simulation
• Intuitive User Interface for quick navigation
• Widget displaying rise & set times of the Sun and Moon
• Favorites list for storing chosen locations
• Automatic location detection via mobile network or GPS
• Select a location from a built-in or online database via Google Maps
• 400 observatory locations recorded
• Date and time customization options
• Detailed ephemeris and visibility data for all objects
• Dates of planetary or Lunar conjunctions noted
• Moon's and planet's three-dimensional views presented
• Precise calculations applicable between years 1900 to 2100 listed.