Azimuth and amplitude
X 0
Amplitude is d arc of rational horizon or d angle at d centre of d earth btwn the prime vertical n d meridian passing thru d body wen on d horizon (rising or setting)
X 0
Amplitude is the arc of the rational horizon or the angle at the observer zenith contained between the observer prime vertical and the vertical circle passing through the body.
Azimuth is the arc on the rational horizon or the angle the observer zenith contained between the observer celestial meridian and the vertical circle passing through the body.
- X
0 expressed in quadrantal form...eg. E40N..
MMD / MCA ORALS 2ND MATE EXAM

