A must-have app for outdoor photographers




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Ephemeris is an essential photo planner tool for those who are interested in outdoor photography and astrophotography in particular. The app contains precise trajectories of the Sun, the Moon, and the Milky Way and lets you predict sunrise and sunset times, golden hour, blue hour, twilight, and other special moments to make stunning photos.

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Take advantage of Ephemeris

  • Determine the correct position and path of the Sun, the Moon, and the Milky Way for any location and date.
  • Find out the time of the golden hour, blue hour, civil twilight, nautical twilight, and astronomical twilight to capture the perfect lighting.
  • Get detailed information about the Sun, the Moon, and the Milky Way: altitude, azimuth, shadow ratio, sunrise and sunset times, lunar illumination and phases, and more.
  • Turn on the AR live view to see real-time projections of the Sun, the Moon, and the Milky Way and predict the time they will be at the location in the sky you need for a beautiful photo.
  • Use the calculator to learn about the best time and date to capture the Sun, the Moon, or the Milky Way with desired lighting.
  • Go back and forward in time with the time machine function.
  • Set reminders to never miss perfect conditions for your photoshoot.


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Plan your outdoor photo session with precision
Determine the positions of the Sun, the Moon, and the Milky Way
Use augmented reality to visualize the paths of celestial objects
Find out the time of the golden hour, and other important time periods
Use the Moon calendar to know when a particular lunar phase will occur
Plan stunning shots of the Milky Way


That’s NOT so incredibly expensive like other astronomical software and yet user friendly enough for a novice to begin learning!


Great visual of the sun and moon relative positions.

Roger Rea

It works great! It does what it's designed for!

Larry Hall

Super neat. Awesome graphics.


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