[ 48 ] 
2 Obfer. January 27. The fir ft Satellite of 
Jupiter emerged at 9 hours, 36 minutes, 31 feconds, 
mean or equal time. By bringing Mr. Short’s te- 
lelcope out of a warm room, into the exceflive cold 
air, the mirror became very dull, by which I loft 
my obfervation j but Mr. Haldimand was fure of 
his being good. 
3 and 4 Obfer. March 23. The third fatel- 
lite of Jupiter in immerging began to appear faint at 
9 hours, 4 minutes, 48 1'econds, and intirely im- 
merged at 9 hours, 5 minutes, 47 feconds ; and in 
emerging began to appear faintly at 12 hours, 27 mi- 
nutes, 52 feconds, and fully recovered its luftre at 
12 hours, 27 minutes, 58 feconds, equal or mean 
time. Obferved by us both. 
5 Obfer. April 6. The firft fatellite of Jupiter 
an immerging appeared faintly at 10 hours, 15 mi- 
nutes, 54 feconds, equal time, and recovered its full 
luftre in 4 feconds afterwards. Obferved by us 
both. 
6 Obfer. April 21. The firft fatellite of Ju- 
piter emerged at 8 hours, 34 minutes, 51 feconds, 
and recovered its full luftre in 3 feconds afterwards. 
Obferved by us both. 
7 Obfer. April 29. The firft fatellite of Ju- 
piter emerged at 10 hours, 29 minutes, 30 feconds, 
equal time. Obferved with Dollond's telefcope 
only. 
By the mean of all the meridian altitudes of the 
fun and ftars ; the latitude of this place is 46° 2' 30" 
north. 
In the beginning of May, I went on the furvcy 
of Saint John’s Bland ; and lieutenant Haldimand 
to 
