Compass setup, orientation vs declination

I am trying to get my compass setup correctly. I have calibrated everything and oriented my compass correctly to my frame. However my heading is about 45' off of true north according to my compass. I tried setting my orientation to Yaw 45 however that seems to change my heading by to much, more like yaw 90. So I set it back to no rotation/yaw. My magnetic declination should be 12. But if I set it to -45 then I get it indicating north exactly in line with my compass. So is this an ok way to set it up? Or should I stick with matching my declination to 12 like it should be and try to get the compass to give me the correct heading some other way?

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  • I took a flight tonight with the knowledge my compass may be 20' off. It flew better than previous times but it still wasn't great. I seem to be getting some pitch when I yaw the copter in loiter which throws it out of position. It also seems to have a very loose hold in loiter and it often wanders a bit after letting off the sticks before stopping in one point. If anyone could look at my logs and help me out with the tuning i'd appreciate it. 

    2014-09-22 21-15-05.kmz

    2014-09-22 21-15-05.log

    2014-09-22 21-15-05.log.gpx

    https://storage.ning.com/topology/rest/1.0/file/get/3701836579?profile=original
  • I have tried the compass calibration multiple times and always end up with similar offsets. Always around -186 10 46

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