Exercise 27

Ex.27-1 At a place having geographic location (Latitude (q) = 37° 57' 23" N and Longitude (l) = 91° 46' 35" W) the polaris has been observed to find the azimuth of a R.O (Reference object) as follows:

Set
Points
Face
Time
Horizonatal Angle
Remarks
Hr
'
"
°
'
"
R.O.
L
 
 
 
0
0
08.2
I
Polaris
L
2
16
21.5
94
35
02.3
GHA = 163° 05' 46".1
Polaris
R
2
19
36.1
274
35
18.5
24h = 164° 04' 58".6
R.O
R
 
 
 
180
00
03.4
 
II
R.O
L
 
 
 
60
03
20.7
Declination at
P
L
2
28
10.0
154
39
11.9
0h = 89° 12' 14".98
P
R
2
30
14.4
334
39
24.7
24h = 89° 12' 14".63
R.O
R
 
 
 
240
03
16.4
 
III
R.O
L
 
 
 
120
06
44.5
 
P
L
2
41
57.6
214
43
52.2
 
P
R
2
44
18.9
394
44
08.1
 
R.O
R
 
 
 
300
06
39.6
 

Compute the azimuth of the R.O

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