reducing Lunar Observations. 379 
3445 8 38 4445 8 38 
A! 39 38 27 A! 39 38 27 
4d—A'= 5 3011 sec 000201 4d+A!’ 84 47 5 sec 1-04144 
H’ 84 23 1 sec 1-00936 h' 5 12 52 sec 0-00180 
H’+3d—A’ 89 53 12 cos 7-29623 h'+3d+A! 89 59 57 cos 5:16270 
e—x = 4" log 0-60206 R'—P’ — 46! 42" log 3-44747 
Se — 0-08 log 8-:90966 M = + 0"-45 log 9-65341 
Vi + 0-45 
5= 89 30 38-00 
§= 89 30 38-37 
—— 15 45 
= 15 4 
———————— Diff. 
True pa : a 0° 1! 241.6 pr. log. 92-1065 
From Nautical Alm. prap. log. for midnigh 0°3250 
Mean time at Greenwich 12 2 58:5 pr. log 1°7815 
Mean time on board 23 34 52:0 
Longitude 11 31 53-5 East. 
2nd Example. October 16, 1835, in 53° 33’ N. latitude, 
and 9° 58! E. longitude, at 10 A.M, mean time, the following 
altitudes of the sun’s and moon’s lower limb and distance of 
their limbs were observed. Elevation of the eye 20 feet. 
Barom. 30°2; therm. 40. 
© ») 
23 41 31 45 30 0 
Dip — 415 dip — 415 
23 47 16 45 25 45 
Dim. for refr. aug. for par. 
© semid. 16 4: 6 (’shor.sem.15 18-7 
o0}+ 16 26 103 28:8 
ee dim. for ref. 0:4 
23 53 186 ee eS 
Reduction + 9 31:0 45 41 13:8 
— Reduction + 4 53 
i= iP4 nw Qv49: ———E 
H 45 44 68 
Distance. 
d = 72 41 13 kd = 36 20 365 
15 29:2 r= 15 29:2 
16 46 A= 20 18 38:0 
D= 73 12 46:8 56 54 44-0 
4D 36 36 23:0 
A' = 20 18 21:0 
2Q2 
