Sky Atlas

Sky Atlas

100 - 500 downloads

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Sky Atlas is not planetarium or simulation software. It is designed analog to a paper atlas for the purpose of looking up sky positions of celestial objects. The electronic form takes advantage of zooming and selection of objects to be displayed or not -- possibilities which are not available to paper. The star chart is plotted on equatorial coordinates. Current horizontal positions, rise & set times, etc. for objects can be viewed after selection of an object of interest. A star chart can be saved to external memory card for documentation purposes, such as websites or blogs.

The use of Sky Atlas is believed to be simple, intuitive and largely self-explanatory, yet requiring basic knowledge of astronomy and familiarity with your Android phone.

Atlas Objects
Opens a list of object categories. Tap on a category to view available objects. Upon selection of an object, its data is shown in a message box, from which to return to selection of another object or choose to center an object on the star chart. Categories which contain a large number of objects are assigned a submenu (tap on screen's menu button) which allow to narrow down by various criteria dependent on the nature of the catagory.
* Constellations
* Named Stars
* Nearby Stars
* Binary Stars
* Variable Stars
* Exoplanets
* Messier Objects with images
* Bright deepsky objects with images
* Solar System Planets
* Dwarf Planets & Asteroids
* Comets
* Meteor Showers
* Hubble Objects
* Kepler Field Overlay
* Celestial Poles

References
This list of items is not directly related to the star chart, but to astronomical time-keeping, information and visualizations.
* Rise, set, twilight times
* Day & Night Visualization
* Planisphere
* Rectangular view of the sun's vicinity
* Earth Globe in 3D
* Moon Atlas in 3D
* Moon Calendar
* MSL Curiosity Station
* 3D planetary phase views
* Planetary Moons
* Spacecrafts
* Pleiades Close-up
* Solar Eclipses
* Greek Alphabet
* Glossary
* Historical Timeline
* Zodiacal Signs
* Martian Moons
* Plutonian Moons

Computing
This section is for astronomical computing, such as current positions of the Galilean moons, orbit simulation, calculation of optical equipment performance and more.
* Galilean Moons
* Orbit Simulator
* Distances among Stars
* Speed of Light Simulation
* Telescope Calculator
* Binocular Calculator
* CCD Imaging Calculator
* Optical Formulae
* JD-Date/Date-JD Converter

Star Chart
* Stars down to magnitude 6.4
* Constellation lines
* Constellation boundaries
* All Messier objects
* Bright NGC/IC objects
* Sun, moon and planets overlay
* Equatorial Grid
* Equator line
* Ecliptic line
* Associated object labels
* Color display
* Monochrome, negative display
* Nightview (red display)

Sky Atlas is designed only for Android phones operating in portrait mode. If you own a tablet please search for "Sky Atlas Tablet".

Galaxy Precident SCH-M828C and similarly small phones not supported.

ご購入をお考えのお客様へ、
本アプリーに関するご質問は日本語でもお受けしております。
お気軽にお問い合わせください。

Keywords: astronomy, star chart, star map, sky atlas, messier, deepsky, stars, planets, planetary moons, asteroids, comets, exoplanets, moon

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Recently changed in this version

Ver 1.31: Science updates, few fixes
Ver 1.30: Database updates
Ver 1.29: Bug fixes and database updates.
Ver 1.28: Exoplanet database changed to PHL's.
Ver 1.27: Curiosity rise and set time errors fixed, data updates
Ver 1.26: Data updates, minor fixes
Ver 1,25: Chart position of meteor showers corrected.
Ver 1.24: Error in Planisphere fixed.
Ver 1.23: More data and descriptions for Constellations, Stars and Nearby Stars, minor modifications.


Comments and ratings for Sky Atlas
  • (75 stars)

    by Mario Donoso on 29/03/2014

    Excellent app

  • (75 stars)

    by T on 06/01/2012

    Lots of features and useful info, including a comprehensive set of formulae, very helpful for observing and imaging. On my tablet a few of the calculations didn't work, but a minor thing in view of the great features. Well worth the price. Hope the auth

  • (75 stars)

    by A Google User on 06/01/2012

    Lots of features and useful info, including a comprehensive set of formulae, very helpful for observing and imaging. On my tablet a few of the calculations didn't work, but a minor thing in view of the great features. Well worth the price. Hope the auth

  • (75 stars)

    by T on 06/01/2012

    Lots of features and useful info, including a comprehensive set of formulae, very helpful for observing and imaging. On my tablet a few of the calculations didn't work, but a minor thing in view of the great features. Well worth the price. Hope the auth