The Photographer’s Ephemeris

Sunlight. Moonlight. Starlight. Precision planning app for outdoor photographers.

Don’t miss the moment.

The best alignments are rare. The optimal light quickly fades.

Know where to be.

See exactly how the Sun, Moon, and more will rise, set, and move at your location.

Visualize the shot.

See light direction, shadows, and sightlines.

“Head and shoulders above the crowd is The Photographer’s Ephemeris. Odd name, great app.”
National Geographic's company National Geographic
“One of the most useful apps for any nature photographer.”
Outdoor Photographer's company Outdoor Photographer
Map and timeline screenshot

Understand natural light

The Photographer’s Ephemeris is especially designed for photographers working with natural light. If you’re shooting landscape, wildlife, architecture, real estate, weddings, or natural light portraits, TPE will tell you everything you need to know about sunlight, moonlight, and starlight.

  • See the exact direction of sunrise and sunset on the ideal map for your location. Follow the changing direction of the Sun across the day as you adjust the selected time.
  • Choose the dates you're interested in. Whether your trip is tomorrow or ten years from now, you can check out light conditions past, present, and future.
  • The timeline includes key celestial events of the day, including rise, set, civil/nautical/astronomical twilight times, golden hour, moon phase events, new moon visibility and more.
Night photography screenshot, iOS app

Night or Day

Planning night photography? TPE has what you need: rise and set of the Galactic Center, a 3D visualization of the band of the Milky Way, meteor showers, and more. Our iOS app includes major stars, asterisms, and lunar eclipses, so you can plan the perfect ‘blood supermoon’ shot.

  • TPE tells you when astronomical twilight ends, when the moon is new, and when the Galactic Center, the most photogenic part of the Milky Way, will rise; this is essential data for night photography planning.
  • To achieve the perfectly composed Milky Way shot, you'll want to know how the band of stars will stretch across the sky. Photo Ephemeris gives you a 3D representation showing the orientation of the arch of the Milky Way, ideal for visualizing your shot.
  • See details of upcoming major meteor showers and more. Our iOS app shows lunar and solar eclipse information, plus positions of major stars and asterisms, such as the 'Teapot'.
Augmented reality and TPE 3D

3D Maps and Augmented Reality

When 2D isn’t enough, TPE includes 3D maps and AR to help you visualize and plan more effectively. Evaluate the angle of light or the position of the Sun, Moon, or Milky Way using our advanced tools.

  • TPE for iOS includes AR (augmented reality), so you can see the sun, moon and Milky Way overlaid directly on your device's camera feed, ideal for scouting future shots on location, or getting perfectly lined up just before full moonrise.
  • On desktops or laptops where AR is not available, TPE Web includes a 3D Celestial Sphere with visual search to hunt down the perfect alignment.
  • For the ultimate 3D photo planning, use TPE 3D, a unique mobile app for iOS, to see a three dimensional map of the landscape lit by realistic directional light and shadows – perfect for landscape photographers composing photos with mountains or hills.

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