263 ASTRONOMICAL and 



Inimerjion oi the iftfatellite of 11 obferved at 16'' 9' 20". 

 — Belts middling diftinfl, magnifying power 120. — The fa- 

 telllte difappeared uncommonly quick after it began to lofe 

 its luftre. 



t " 



Sirlus parted the firft fibre of the tranfit inftrument at 1 8 59 20 

 The meridian at . . . . . 19 o 15. 



The third fibre at 19 I 6 



14th. Thermometer 74° at fun rife, rofe to 91°. 

 — Cloudy part of the afternoon. 



$ 's weftern limb on the meridian at . 2^ 2' 45" 



Equal aliUudet of the Sun. 

 A. M. 8" 21' 22". P. M. 3'> 24' 38". 



Siilus paflTed the firfl fibre of the tranfit inftrument at 18 55 25 

 The meridian at . . . . . 18 56 19 



The third fibre at . . . . 18 57 9 



15th. Thermometer 72° at fun rife, rofe to 92°. 



G's preceding limb on the meridian at ii 51 47 A.M. 

 Subfequent do. at . . 11 53 55 A. M. 



Centre at . . . 11 52 51 A.M. 



Note. Before the above obfervation was made, upon examin- 

 ing the tranfit inftrument I found the fcrew which fcrews 

 the perpendicular axis was flackened, which probably in 

 fome degree affefted the preceding obfervation upon 

 Sirius. 



h ' u 



$ 's weftern limb upon the meridian at . . 202 



Sirius pafled the fiift fibre of the tranfit inftrument at 18 51 31 

 The meridian at . . . . . 18 52 25 



The third fibre at .. . . . '8 53 15 



16th. Thermometer 76° at fun rife, rof« to 96°. 

 —Cloudy part of the afternoon. 



0's pre- 



