APPENDIX L.— ASTRONOMICAL OBSERVATIONS, 
ASTRONOMICAL OBSERVATIONS— Continued. 
151 
Determination of longitude by lunar distances, "d 6,1854.— || Time. i 
Lie Moon's western limb and Pollux, wes | Agar Gunn 
' i . | h. LUNO 9. E e 
Time. Angular distances. 8 19 55 44 99 30 
: | 8-91. 49 44 30 10 
8 23 30 44 31 00 
hom s d. 9» s | 8 95 20 44 31 50 
7 47 3 41 16 . 20 | 
7 51 19 44 18 10 | 
a: 44 19 00 | Thermometer 66° Fahrenheit. 
TU ss E 44 19 40 | 
| 
| | Determination of longitude by lunar €! win 6, Me cii 
The Moon’s western limb and Spica V. 
Double altitude of the Moon’s upper limb, in the west. 
Time. Angular distances. | Deduced longitude. 
í Time. | Altitude. 
h. s. d. m.'s. A, ow. 5. 
he m. & d. m. s. d od ^ oo 
7 7 30 128 37 90 M radius S M NO 
8.736 57 46 14 00 
8 38 55 46 23 10 6 34 41 
Double altitude of Polluz, in the west. 
| Double altitude of the Moon’s upper limb, in the west. 
| Time. | Altitude. 
| Time. Altitude. 
j kEm, s. d. 7 N 5. 
1 She SE 70 .01- 90 i x y s x x 
8 40 31 D4- Ried 
| | : Double altitude of Spica Virginis, in the east. 
i Time. Angular distances 
| Time. Altitude. 
A. n S. d. 5m. s. 
j 8 09 — p 44 22 pe 
8 -09 30 44 24 1 6 m ». 
n - H3 4 1:25 4), : e p 90 98 40 
j 8g- Ip 44 26 00 : 
ji 
H Double altitude of Pollux, in the west. Time. Angular distances. | Deduced longitude. 
l Time. Altitude. e e A A WO 
d 8 50 12 46 08 90 
8 53 19 = 4 x 
Eh A d. m. 8. 8 65 29 
8 16. 9 a 00 10 8 57 32 46 05 20 6 35 52 
Double altitude of the Moon's upper limb, in the west. 
Time. E Altitude, Time. Altitude. 
hoo 8. 4d a 8. Áo Ow —M e m. s. 
8 18 13 123 06 10 9 01 05 H 36 00 
