69 
PRIMEIRO FIO 
Estrèlla do sul 
T c = 1» 5 m 26 9 ,25 
Ea - 3 h 46 m 13 9 ,10 
Estrèlla do norte 
■ T c = 1» 34 m 40 9 ,15 
Ea = 3 h 46™ 13 9 ,06 
Si — 4» sim 39 s )3 5 
a s = 7 h 14 m 10 3 ,41 
S 2 = 5 h 20™ 53 9 ,21 
a = 7 h 22™ 34 9 ,77 
t s = 9 h 37™ 28 9 ,94 
t s = 144° 22' 14",10 
t = 9" 58™ 18 9 ,44 
t = 149° 34' 36",60 
ELEMENTOS DO CALCULO 
(t- t ) = 
■/* (S—S) = 
— 2° 36'11",25 
— 22° 42' 13",3 
V 2 (t s + t n ) 
V, (Os+òn) 
146° 58' 25",35 
14° 14' 32",0 
Numerador da formula Denominador da formula 
Cot gy 2 (2—2) -0.3784241 (n) tg V. (ò s + 2„) =1,4045312 (n) 
sen y 2 (t_ t ) =2,6572229 (n) cos y, (t—t) =1,9995516 
n sen N = 1,0356470 
n cos N = 1,4040828 
n sen N = 1,0356470 
n cos N = 1,4040828 (n) 
tg N = 1,6315642 
N = 156° 49' 25",00 (2.° Q) 
7* (t, + t„) = 146° 58' 25",35 
[y* (t, +1„) — N] = 9° 50' 59",65 
cm 1 
SciELO 
10 11 12 13 
