646 Mr, pigott’s JjJronomkal Ohjervatiom 
For the Longitude of Louvain. 
1 773, Auguft 24, immerfion of V ’s fecond fatellite. 
At 9I1 56' 27" by the clock, felf, good obfervation. 
9 56 43 ditto, by my fon. 
Apparent times. 
h f 
At Corbeil, M. messier, refle£tor as above, doubtful, — 10 14 52 
At Perinaldo, M. maraldi, 3 feet achrom. fine — 10 35 31 
At Geneva, M. mallet, 10 feet achrom. — — - 10 29 14 
At Stockholm, M. wargentin, 10 feet achrom. good — 11 17 22 
At Louvain, — ■ — — — 10 23 45 
On a mean, Louvain Eaft of Paris 9' 2 
Auguft 29, immerlion of v’s firft fatellite. 
At 1 5h 10' 40" by the clock, felf. 
15 11 o ditto, by my fon, good. 
At Paris, M. messier, achrom. as above, good, — 
15 
32 
4i 
At Geneva, M. mallet, achrom. as above, fine, — ■ 
*5 
47 
40 
At Perinaldo, M. maraldi, achrom as above, fine, — 
*5 
53 
49 
At Mufwel-hill Mr. dalby, — - — 
*5 
22 
34 
At Louvain, — — — 
*5 
4i 
25 
On a mean, Louvain Eaft of Paris 8' 5 1 ". 
For 
