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Col. Beaufoy's Astronomical, Magnetical, [Oct. 



Article XIII. 



Astronomical, Magnetical, and Meteorological Observations. 

 By Col. Beaufoy, F.R.S. 



Bushei/ Heath, near Stanmore. 

 Latitude 51° 37' 42" North. Longitude West in time 1' 20-7". 



Astronomical Observations. 



Aug. 10. Emersion of Jupiter's second (ll h 3S' 22" Mean Time at Bushey. 



satellite J 11 39 43 Mean Time at Greenwich. 



11. Emersion of Jupiter's first U2 43 58 Mean Time at Bushey. 



satellite ^ 12 45 19 Mean Time at Greenwich. 



27. Emersion of Jupiter's first (11 02 40 Mean Time at Bushey. 



satellite 7 1 1 04 01 Mean Time at Greenwich. 



Magnetical Observations, 1819. — Variation West. 



In taking the mean of the observations in the morning, those 

 on the 25th and 28th are rejected, being so much in excess, and 

 or which there was no apparent cause. 



