95 ASTRONOMICAL OBSERVATIONS 



© On Meridian, Aug. 12th 23.22.30,5 

 Equation of E. A. + 0,75 



23.22.31,25 flow 37.28,75 



Lofs in 5 days 17.52,50 

 Daily lofs - 3.34, 5 



An Immerjion of Jupiter's fecond Satellite. 



This was with his firft obfervation. h 



8th Auguft, by watch immerged 12.33.20 



Too flow at noon 1 9-36,25 

 Lofs to the obfervation, at 214^,5 1 '55- 2 



Immerfion 12.54.51,45 

 Ephemeris 7.20.50 



Longitude in time 5-34-01,45 



o 



in degrees 83.30.15,00 



Auguft itfk, by T. D. P. 



h ' » 

 Jupiter's firft Satellite vanifhed by the watch 11.32.28 



6 or 8 feconds before the time noted, it had not 

 changed colour : a cloud came on, and hid it for about 

 8 feconds, and when it was gone, the Satellite had 

 vanifhed. 



Auguft zoth, by T. D. P. 



Jupiter s firft Satellite vanifhed by the watch 14.2.30 



The fky was clear, the glafs fteady. Here I expected 

 what happened, and was on my guard. The Satellite 

 vanifhed at a fmal! diftance from the body, i. e. before 

 the contact, and without changing colour. 



On 



