The Photographer’s Ephemeris is a great tool and it is now available for the iPhone or in my case the iTouch (I’m not an iPhone owner). I wrote about it back in April 2009 in my post presenting resources for calculating the sun and moon position. The Photographer’s Ephemeris is the creation of Stephen Trainor and I like it because it matches sun and moon, rise and set information for any location with a graphical interface generated by Google Maps. Best of all it is totally FREE! Stephen accepts donations however and I encourage you to donate and support this great tool.

Now, if you are on the go, you can get this information on your iPhone or iTouch. The mobile app is not free however. It will set you back $8.99 and is available here through the iTunes Store.

If you haven’t been to the Photographer’s Ephemeris web site lately, click on over there. Stephen has posted some video tutorials on how to use the program.  Watch these for a great demonstration of the true power of this program.