The Photographer's Ephemeris For Mac

Landscape photographers typically wish to plan their shoots around the times of sunrise/sunset or twilight, or alternatively when the moon is in a particular place in a particular phase.

While times of sunrise etc. are readily available on various sites on the internet (direction of sunrise etc. less so, but still readily found), there are fewer programs available which combine such information with a topographical map allowing the photographer to match the astronomical to the location.

A typical use for The Photographer's Ephemeris might be to determine when the sun will set along the axis of a mountain valley, or when a full moon rise will rise across a lake.

There are a handful of keyboard shortcuts you can use: · E to display the Ephemeris screen · L to go to Locations · P or - for the previous day · N or = for the next day · T to toggle display of twilight information (new in Beta 0.7.4) · D to toggle display of details information for the selected date (new in Beta 0.8.0) · C and Shift-C to (i) place the marker at the centre of the current map display or (ii) to pan the map to place the marker at the centre of the display · Shift – hold down this key to extend the azimuth lines displayed on the map through the marker location. This is helpful for aligning particular landmarks, your shooting location and the direction of the sun/moon. This function only works when you are sufficiently zoomed in (otherwise, the extended azimuth line would be inaccurate and misleading)

NOTE: Beta Version 0.9.0 is set to expire on August 31 2009. There’ll be an updated version here by then (and if you’re running 0.7.2 or later, it’ll prompt you when there’s an update available).