Several news outlets have a story today about the latest update to the position of the North Magnetic Pole, which is apparently moving about 55kms per annum from the Canadian arctic towards Siberia.
NOAA has just released the latest position and declination adjustments current for 2019.
Story here:
https://www.theepochtimes.com/earths...91028.html/amp
If you use a compass to setup your mount, with adjustment to point to True North, you might want to use the new figure for your area. True, 55km pa is not much, but over the years it adds up.
https://www.ngdc.noaa.gov/geomag/declination.shtml