of the Equatorial Instrument. 
123 
No. II. Table of the Effect of Parallax in North Polar Distance, 
and 
The horizontal parallax — 8 ',6. This correction is always — . 
Angle of 
the ver- 
tical and 
horary. 
DEGREES OF 
ALTITUDE. 
Angle of 
the ver- 
tical and 
horary. 
o° 
1 o° 
20° 
O 
O 
O 
O 
Tp 
O 
O 
'-O 
6o° 
O 
O 
IS. 
8 o° 
90° 
O 
u , 
// 
II 
II 
n 
II 
II 
It 
II 
II 
O 
O 
8,60 
8*47 
8,08 
7*45 
6*59 
5*53 
4 * 3 o 
z *94 
J *49 
0,0 
90 
IO 
8*4 7 
8*34 
7 * 9 6 
7*34 
6,49 
5*45 
4* 2 3 
2,90 
1,47 
0,0 
80 
20 
8,08 
7 * 9 6 
7,60 
7,00 
6,19 
5,20 
4»°4 
2*77 
1,40 
0,0 
70 
3 ° 
7*4 5 
7*34 
6,99 
6,45 
5.7 1 
4*79 
3 > 7 2 
2*55 
1,29 
0,0 
60 
40 
6,59 
6,49 
6,18 
5 * 7 ° 
5*°5 
4> 2 3 
3> 2 9 
2,26 
1*15 
0,0 
5 ° 
5 ° 
5*53 
5*44 
5 J 9 
4*79 
4> z 3 
3*55 
2,76 
1,89 
0,96 
0,0 
40 
60 
4 * 3 ° 
4* 2 3 
4*°4 
3 * 7 2 
3 * 3 ° 
2,76 
2,15 
*»47 
°*74 
0,0 
3 ° 
70 
2,94 
2,90 
2,77 
2 »55 
2,26 
1,89 
i *47 
1,01 
0,51 
0,0 
20 
80 
i ,49 
*»4 7 
1,40 
1,29 
1,14 
°»95 
°*75 
0,50 
0,26 
0,0 
IO 
Parallax in right ascension, x sec' declination. 
This correction is -f on the east, and — on the west side of the meridian*. 
No. III. Table of the Effect of Parallax in North Polar Distance, 
and A. 
The horizontal parallax being :r 10". This correction is always — . 
Angle of 
the ver- 
tical and 
horary. 
DEGREES OF 
ALTITUDE. 
Angle of 
the ver- 
tical and 
horary. 
o° 
IO° 
20° 
3 °° 
O 
O 
O 
O 
ui 
6o° 
O 
O 
8o° 
90° 
O 
II 
II 
II 
II 
// 
II 
a 
II 
II 
O 
O 
10,00 
9*85 
9,40 
8,66 
7*66 
6,43 
5,00 
3*42 
i *73 
0,0 
90 
IO 
9*85 
9*70 
9,26 
8*53 
7*54 
6.33 
4,92 
3*37 
1,70 
0,0 
80 
20 
9,40 
9> 2 5 
8,83 
8,14 
7,20 
6,04 
4 * 7 ° 
3,21 
1,63 
0,0 
70 
3 ° 
8,66 
8*53 
8,14 
7 * 5 ! 
6,64 
5*57 
4*33 
2,96 
1,50 
0,0 
60 
40 
7*66 
7*54 
7,20 
6,63 
5.87 
4*93 
3*83 
2,62 
1,32 
0,0 
5 ° 
5 ° 
6*43 
6,33 
6,04 
5.56 
4*92 
4 *i 3 
3,21 
2,21 
1, 1 1 
0,0 
40 
60 
5,00 
4*92 
4 * 7 ° 
4*33 
3*83 
3,21 
2*50 
i* 7 i 
0,86 
0,0 
3 ° 
70 
3*42 
3*37 
3*21 
2,96 
2,62 
2,20 
i* 7 i 
1,17 
o *59 
0,0 
20 
80 
i *73 
1,71 
1,63 
1,50 
i *33 
1, 11 
0,87 
°*59 
0,30 
0,0 
ia 
Parallax in right ascension, x sec' declination. 
This correction is + on the east, and — on the west side of the meridian. 
