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iObserve makes your preparation of astronomical observations a breeze. It gathers automatically and easily all the information you need when observing the sky with small and big telescopes. It has been built from the ground up by an experienced professional astronomer.

iObserve allows you to:

  • Resolve an object coordinates with SIMBAD
  • Access automatically its aliases, magnitudes, and NASA ADS references
  • Display the equatorial, celestial, galactic coordinates, in whatever epoch and units
  • Access the ViziR catalogue pages, and ADS abstract page.
  • Draw its airmass curve for for more...

What's New

Version 1.3.15:

  • Fixed the missing visibility of small bodies (remember that small body curves have a 1-hour interval).
  • Fixed the wrong curve color of small bodies.
  • Fixed the automatic return to Airmass when selecting a new object (really sorry for this painful one, that appeared on previous version).
  • Fixed the disappearance of date selectors at the bottom of the curve more...


  • OS X 10.7.5 or later

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Current Version (1.x)


Downloads 1,388
Version Downloads 16
License Commercial
Date 25 Sep 2014
Platform Intel 64 / OS X
Price $19.99