78 



Differences of Meridian at Madras, [No. 97 



Emersions. Immersions. 



m. s. 



m. 



s. 



32 23-70 



31 



57-90 



32 38-30 



31 



52-70 



32 27-00 



31 



28-00 



32 08-00 



32 



08-29 



32 12-70 



32 



09-51 



32 27-10 



31 



56-09 



32 51-50 



32 



11-76 



32 26-10 



32 



08-91 



32 17-70 







m. s. 



Mean of 9 emersions, 32 25*79 



Ditto of 8 immersions, 31 59*08 



Mean of emersions and immersions! 



of the 1st. satellite, J 32 12*4 



The mean before stated for the Madras "\ h. 



Observatory, J 5 21 2*9 



5 53 15*3 



Longitude of Flag-Staff, Fort William, 88° 18' 45" 



I must mention, that I should have taken a greater number 

 of eclipses of the satellites in Calcutta, had I not been absent 

 from it on duty, in the North-west provinces, from 1822 to 

 the rains of 1826. To several of my observations of eclipses 

 in 1821, I found correspondents, in the series taken by the 

 late Colonel Beaufoy, at Bushey Heath • they give for the Flag- 

 Staff 5h. 53m. 10s. 3. I sent to the excellent astronomer 

 at the Cape of Good Hope, the late Rev. Fearon Fallows, 

 the particulars of my observations, requesting him to give me 

 correspondents, if he had any. I may here most convenient- 

 ly make an extract from his reply (dated 1st September, 1823) to 

 my letter. He says, ee Amongst the very few eclipses which 

 " had been taken, I could not find any corresponding to the date 

 6 ( of your observations, which I am happy to say bear the stamp 

 "of being taken with great accuracy. As the calculations of 

 " these eclipses are not made from the most approved tables, 

 " (De Lambre's,) and as you maybe desirous of seeing your result 



