You don't even need the camera, just the clock. The time of local solar noon will give you the longitude. The altitude or the sun (you could use the gyroscope

You don't even need the camera, just the clock. The time of local solar noon will give you the longitude. The altitude or the sun (you could use the gyroscope here, or just use a protractor) will allow you to calculate latitude. The internet connection will allow you to find out how to calculate it.