R.A. lock knob
Declination (Dec.) slow motion control
Latitude adjustment
Azimuth adjustment knob
ASCENSION RIGHT
Declination (Dec.) setting circle
AXISDECLINATION
AXIS
Right ascension (R.A.) setting circle
Right ascension (R.A.) slow motion control
Latitude locking
Latitude scale
Figure 3. The equatorial mount.
Little Dipper
(in Ursa Minor)
Big Dipper | N.C.P. |
| |
(in Ursa Major) |
|
Polaris
Cassiopeia
Stars
Pointer
Figure 4.
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° of the north celestial pole (NCP).
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