Starboy>9000 Messages 1 Reaction score 0 Thread starter Sep 15, 2010 #1 If you are in the southern hemisphere in winter and the South Celestial Pole has an altitude of 20 degrees, what is your latitude on earth?
If you are in the southern hemisphere in winter and the South Celestial Pole has an altitude of 20 degrees, what is your latitude on earth?
Jim1138 Messages 51 Reaction score 0 Sep 16, 2010 #2 The celestial poles do not move much over the coarse of a year. If the celestial pole is 20 degrees above the horizon, you would be at a latitude of 20 degrees.
The celestial poles do not move much over the coarse of a year. If the celestial pole is 20 degrees above the horizon, you would be at a latitude of 20 degrees.
Philosophaie Messages 456 Reaction score 0 Sep 17, 2010 #3 sin(alt)=sin(Lat)*sin(delta)+cos(Lat)*cos(delta)*cos(HA) where: alt - altitude delta - Declination HA - Hour Angle from: http://en.wikipedia.org/wiki/Horizontal_coordinate_system
sin(alt)=sin(Lat)*sin(delta)+cos(Lat)*cos(delta)*cos(HA) where: alt - altitude delta - Declination HA - Hour Angle from: http://en.wikipedia.org/wiki/Horizontal_coordinate_system