||Spherical system of co-ordinates. Geographic, geodetic and geocentric co-ordinates.
The celestial globe. Celestial system of co-ordinates. Topo-, geo- and baricentric
co-ordinates. Apparent motion of the Sun. Apparent motion of the Moon and planets.
Proper motion of stars. Daily and yearly aberration. Interferring effects of the
atmosphere. Astronomical basics of determination of position. Systems of co-ordinates
on surfaces of other orbs. Altimetry from space. Basics of spherical trigonometry.
Horizon, zenith, nadir, celestial equator, ecliptic, poles, vernal equinox, galactic
and supergalactic equator.