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Col. Beaufoi/'s Astronomical, Mngnelical , [Oer. 



Article XIII. 



Astronomical, Magnctical, and Meteorological Observations, 

 By Col. Beaufoy, F.R.S. 



BusJiei/ Heath, near Slanmore. 

 Latitude 31° ST 44-27" North. Lon-itude West in time 1' 20-93". 



Astronomical Observation. 



Aug. 10, ImmersioBof Jupiter's second 5 1 1'' 13' .SO" Mean Time at Bushey. 



satellite ^11 14 51 Mean Time :it Greenwich. 



13. Immer-ion of Jupiter's first < 13 52 27 Mean Time at Biishey. 



satellite ^13 53 48 Mean Time at Greenwich. 



17. Immersion of Jupiter's second 513 50 02 Mean Time at Bushey. 



satellite <I3 51 23 Mean Time at Greenwich. 



22. Immersion of Jupiter's firetjlO 15 22 Mean Time at Bushey. 



satellite ^10 16 43 Mean Time at Greenwich. 



Magnetical Observations, 1820. — ' Variation V/cst. 



Variation. 



24° 26' 



24 29 



24 32 



24 30 



24 31 



24 31 



24 29 



24 5:8 



24 31 



24 31 



24 30 



24 30 



24 29 



24 31 



24 29 



24 29 



24 30 



24 30 



24 28 



24 30 



24 30 



24 31 



24 31 



24 31 



24 31 



24 31 



41"| 

 53 j 

 51 \ 

 38 I 

 26 



06 ! 

 26 

 38 

 01 ! 

 02 

 04 1 

 51 



58 ; 



56 I 



07 1 

 26 

 41 

 18 

 15 

 59 

 40 

 37 

 05 

 25 

 20 

 05 



Noon Observ. 

 Hour. I Variation. 



I, 2g. 

 25 

 05 

 15 

 SO 

 35 

 20 



25 

 20 

 25 

 20 

 33 

 15 

 10 

 15 

 25 

 20 

 03 

 15 

 30 

 25 

 25 

 15 

 45 

 15 



24° 41' 03" 



24 41 03 



24 35 57 



24 39 31 



24 40 45 



24 40 15 



24 37 23 



24 30 25 ; 1 21 



Evening Observ. 



24 39 1 1 



24 40 10 



24 39 59 



24 40 48 



24 39 57 



24 40 20 



24 38 49 



24 38 54 



24 38 32 



24 40 59 



24 39 29 



24 41 06 



24 40 57 



24 39 57 



24 41 39 



24 40 33 



24 42 02 



24 40 42 



Hour. 



30 

 30 

 30 

 30 

 SO 

 25 



13 



20 



7 15 



7 15 



7 15 



7 15 



10 

 10 



7 00 



24 40 00 1 7 19 



Variation. 



24 35 03 



24 33 34 



24 :!3 04 



24 33 04 



24 34 42 



24 34 34 



24 33 33 

 24 33 49 



24 31 26 



24 31 53 



24 31 45 



24 32 33 



24 32 20 

 24 33 32 



24 33 38 



24 33 14 



