August 27, 20178 yr Hello, I have been trying to perfect my Celestial Navigation (CelNav) as opposed to just following a magenta line on the GPS. I attempted a flight from Whitehorse (CYXY) to Stevens Anchorage (PANC) which was a distance of 457nm. I embarked attempting to use the brilliant "Bubble Sextant." Long story short, I ended up near Eielson AFB, some 200-ish nm north of my intended destination. "What happened?" I thought when I took a glimpse at my GPS. Well, the problem was my not taking Magnetic Declination" into account or adjustment. Armed with new knowledge I tried the same flight. Only 20nm north of PANC this time. A 90% improvement, but not good enough in anything other than clear skies and hight clouds. Like the subject says, I am looking for a gauge(?) which will allow me to check the difference in my magnetic compass heading against the True North standard. I attempted to search for over six hours (no joke), so I am here to seek assistance from those far wiser than myself. Does anyone else miss Opa? :) Thanks for reading. Calvin
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