Ratings and reviews

Average customer rating

0 stars out of 5
13 ratings

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3 stars out of 5
· 2/5/2015
Time bug

Graphics are ok, and feature set is good enough, but the real time option does not show the current time.

4 stars out of 5
· 11/29/2012
Very nice star chart! Smooth performance. Time bug

Smooth performance on surface! works with point to sky and very easy to use options to enable/disable lots of view options. Nice night mode as well. 5 stars once the time is fixed, it has problems reflecting correct time for me. Its a day ahead it appears. If I hit current time the position of sun is still off

5 stars out of 5
· 12/28/2013

Works fine on Surface pro.

3 stars out of 5
· 3/13/2014
moon & star name sizes

there should be a separate setting for moon size ... maybe a setting for depict actual or relative moon size (with proper phasing of course). A slider to adjust star name font size would also be a plus.

3 stars out of 5
· 11/29/2012
Really nice interface, almost work perfectly

Two things: it defaults to a Japan location I guess, it should default to the local position if allowed by the user. The compass is off, not sure if it is a limitation in Surface of the program.

3 stars out of 5
· 8/11/2013
Trial version works OK.

Too many constellations on the maps. Works OK but not refined.

stars out of 5


  • Display of a sky chart with stars, constellations, planets and Messier objects in exactly calculated positions.
  • Display of names of stars, constellations, planets and Messier object numbers as well as constellation lines/pictures.
  • Realistic display of daylight, moonlight, sunrise/sunset glow, landscape and light pollution.
  • Display of auxiliary lines including equatorial coordinate grid, ecliptic and equator.
  • Holding a sensor-equipped device against the sky shows the star chart corresponding to the same orientation.
  • Search for a sky object guides you with an arrow pointing toward the direction of the real target.
  • Reproduction of the sky on any date from the year 1900 to 2099, seen from any location on Earth.

App details

Version notes

August 27, 2015 - Problem fixed for low performance sensor. March 26, 2013 - Save location settings. November 20, 2012 - Add Night vision mode function. - English supported first release. October 12, 2012 - Add 'Revert all settings' function. October 3, 2012 - Display function of meteor and meteor shower radiant point. - Display function of four direction labels (N,S,E,W). - Date/time and location panel function bug fixed.

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