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Declination
All,
I've come across a really neat little app tonight called Declination.
It works out your magnetic declination via GPS or input coordinates (handy for older iPhones or iPod Touch users) or by dragging a marker on the Google Maps interface.
A little treat for us astrophotographers -- used in conjunction with iHandy Level to fix your inclination -- quickly get our mounts pointing roughly true south.
The best part about it? The price! It's free.
Enjoy.
H
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