No Alex, I'm speaking of the compass being offset 12.5 degrees, not the 34 degrees for Dec
Speaking of which, I was playing with my new compass today and pointed the North towards the North and then adjusted 12.5 degrees to move me from the North magnetic pole and towards the North Celestial Pole (all the reverse of course for the Southern Hemisphere).
I was not sure which direction to adjust by 12.5 degrees so firstly I tried East but this took me further away from where I believe it should be. So then I tried West and that appeared correct to me.
This was just a hand held exercise, but my question is, am I correct in adjusting by 12.5 degrees in the direction of West when I am pointing North?
yeah, here in Auckland the magnetic declination is 19° 24' East, if people get stuck trying to find out what there magnetic declination is they can call there local aero club they will know .