Mobile Observatory 3 Pro - Ast

Your resource for stars, planets, the Sun, the Moon, and astronomical events
Wolfgang Zima
Download Mobile Observatory 3 Pro - Ast APK
Version 3.3.7
Rating 4.8
Category Educational
Package name com.zima.mobileobservatorypro
Downloads 100+
Mobile Observatory 3 Pro - Ast Description
Mobile Observatory 3 Pro is the perfect tool for anybody interested in the sky's wonders, from the occasional sky gazer to the passionate amateur astronomer.

Do you want to know if the next lunar eclipse is visible from your location or when the next bright comet is visible? Would you like to be notified by your smart phone next time, Jupiter and the Moon meet in the sky? Do you want to know what the blazing bright object in the evening sky is? Do you want to be always up-to-date which celestial events that are visible from your location? Then this app is a must-have for you!

Mobile Observatory does not only include a live, zoomable sky map which tells you what sky object you are looking at but provides you with loads of detailed extra information on stars, planets, deep sky objects, meteor showers, comets, asteroids, lunar and solar eclipses as well as detailed ephemeris of all included sky objects and an interactive top-down view of the Solar System. All that in just one app!


- 45000 stars plus optionally 2.5 mio stars for download
- Photorealistic display of the night and day sky with correctly illuminated landscape. Its the only app on Android which renders the sky physically correct, taking into account atmospheric scattering. Only the real sky is more beautiful...
- Augumented sky view using your device's camera
- 3D-view of the Solar System
- Cardboard viewing of the night sky or the Solar System in 3D
- Map of the Earth showing day and night
- Lots of great widgets for your home screen
- Daily notifications of current celestial events
- More than 60000 Minor Planets with daily updates of orbital parameters
- More than 1000 Comets with daily updates
- Artificial Satellites including the International Space Station (ISS) and all Starlink satellites
- Live mode (point device on sky and get information on what you see)
- Calendar showing detailed descriptions of celestial events
- Push celestial events to your phone's calendar and set a reminder alarm
- Rise, set, and transit times for any object
- Position of any object in the sky (altitude and direction)
- Twilight times, length of day
- 2500 selected NGC objects (galaxies, clusters, ...)
- Messier Catalog (110 objects) complete with images
- Caldwell Catalog (110 objects) complete with images
- Hidden Treasures Catalog (109 objects) complete with images
- Meteor streams (begin, maximum, hourly rate, ...)
- Lunar and solar eclipses information
- Lunar librations, ascending node, maximum declination
- Moon phases, the apparent view of the sun and planets
- Current image of the Sun and sunspot number
- Automatically generated visibility report for any object
- Simulation of light pollution
- Intuitive User Interface: quickly find what you are looking for
- Widget with rise & set times of the Sun and Moon
- Detailed ephemeris, visibility information of all objects
- Dates of conjunctions between any object with planets or the Moon
- Accurate calculations for dates between 1900 and 2100

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Comments about Mobile Observatory 3 Pro - Ast Android Version
Cool app. This app has almost everything. Maybe one recommendation: please add Field of view to the objects, depending on sensor and focal length (something similar to Telescopius). It will help very much for observing and astrophotography and it doesn't need to show real pictures. It can be a small circle showing only the size depending on these parameters. Thanks and keep it up. Really nice work!
This app has a lot of features. I'm just a rank amateur but really love to look up at the night sky. The app helps me identify an object. On occasion certain events draw my interest and It helps with when and where an event will take place in the night sky. I've had it for years now and still have the same app. Works great and keeps updating it's database of objects.
Very good, complete and capable astronomy app. My only two minor niggles are the on-screen controls are at times a bit small for a phone screen and there's no way to turn off diurnal motion, which means the chart drifts when zoomed in. But that's about it. However there's been no update (as far as I can tell) in 14 months. Is the developer still active?
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