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Within 1/2 degree of 70N. Polaris is not EXACTLY above the North Pole; it is about 0.6 degrees from it.
An observer at latitude 79°, whether north or south, can never see the sun at his zenith. That's only possible for observers whose latitude is less than 23.5°, either north or south.
As seen from 25 degrees north latitude and ANY longitude, Polaris (the 'North Star', the 'Pole Star') appearswithin about 1/2 degree of due north and 25 degrees above the northern horizon, at any time.
Viewed from latitude 55° north, the sun's highest altitude on June 21 is31.5° down from the zenith, or 58.5° up from the horizon.
If your latitude is 39 degrees north, then the north celestial poleis 39 degrees above your northern horizon.If your latitude is 39 degrees south, then the north celestial poleis 39 degrees below your northern horizon.
30 degrees for observers at a latitude of 30 degrees north
Within 1/2 degree of 70N. Polaris is not EXACTLY above the North Pole; it is about 0.6 degrees from it.
An observer at latitude 79°, whether north or south, can never see the sun at his zenith. That's only possible for observers whose latitude is less than 23.5°, either north or south.
During the equinoxes, when the Sun is at its highest, it will be at a distance from the zenith which is the same as your geographical latitude, but in the opposite direction. For example, if you live 50 degrees north of the equator, the Sun will be 50 degrees south of the zenith at noon.
As seen from 25 degrees north latitude and ANY longitude, Polaris (the 'North Star', the 'Pole Star') appearswithin about 1/2 degree of due north and 25 degrees above the northern horizon, at any time.
Viewed from latitude 55° north, the sun's highest altitude on June 21 is31.5° down from the zenith, or 58.5° up from the horizon.
If your latitude is 39 degrees north, then the north celestial poleis 39 degrees above your northern horizon.If your latitude is 39 degrees south, then the north celestial poleis 39 degrees below your northern horizon.
Noon is when the sun is overhead or at its zenith for whichever part of the world you are on. The angle would depend on the time of year and your latitude.
During the equinoxes, when the Sun is at its highest, it will be at a distance from the zenith which is the same as your geographical latitude, but in the opposite direction. For example, if you live 50 degrees north of the equator, the Sun will be 50 degrees south of the zenith at noon.
solar altitude angle= (90 degree - zenith angle )
At the time of the southern hemisphere's winter solstice, the sun is directly over the Tropic of Cancer, which circles Earth at 23.44° north latitude. So at 6° south latitude the sun appears 29.44° from the zenith (a location's zenith is directly overhead). Since there are 90° between the zenith and the horizon, the angle for which you are looking is the difference between 90° and 29.44°, 60.56°.
The North star will be 75 degrees above the horizon. Whatever degree you are at latitude, the North star will be the same degrees up. So at the north pole (90 degrees north), the star will be at the zenith (straight up). While at the equator (0 degrees north) the star will be at the horizon.