R.A. lock knob
Declination (Dec.)
slow motion
control
Latitude adjustment t-bolt
Azimuth adjustment knob
Big Dipper
(in Ursa Major)
To find Polaris in the night sky, look north and find the Big Dipper. Extend an imaginary line from the two "Pointer Stars" in
the bowl of the Big Dipper. Go about five times the distance between those stars and you'll reach Polaris, which lies within 1°
Figure 3. The equatorial mount.
Little Dipper
(in Ursa Minor)
N.C.P.
Figure 4.
of the north celestial pole (NCP).
Declination (Dec.)
(R.A.) setting circle
(R.A.) slow motion
Polaris
setting circle
Right ascension
Right ascension
control
Latitude locking
t-bolt
Latitude scale
Cassiopeia
13