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Message Subject Axial rotation measurement anomaly *Update on pg 21 - Problem Solved*
Poster Handle WindyMind
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Dr. Astro - I thought you would have know this. The declination of Polaris for the equinox J2000.0 (i.e. the beginning of the year 2000) was +89° 158242; 518243;. Precession is causing the pole to move closer to Polaris and its declination is now +89° 18', which makes it 42' (0.7°) from the north celestial pole. It will continue to get closer to the pole until the end of the century, when it will be 0.5° away. Your location on the Earth only affects the altitude of the pole and Polaris above the horizon and not the separation of Polaris from the pole. The pole would appear 32° above the horizon from your latitude (i.e. it is the same value as your latitude). So you can complete your tests, but this is normal.
 Quoting: Dr. PhD 23168991



/THREAD


Move along, nothing to see here.
 Quoting: Anonymous Coward 23338584


I already accounted for precession. My measurement came out to be 35 arcminutes, not 42 as you point out it should be. I've done this many times before with the telescope and it always matched up with the predicted value after accounting for precession.
 Quoting: Dr. Astro


What does this mean for planet earth? I don't know so I ask. What does it change here or everywhere?
 
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