14 



Shooting Stars observed atMarkree, August 12, 1847. 



No. 



Calculated 

 M.T.Markree. 



From. 



To. 



Dur. 



Mag 



Eematka. 





h. m. s. 













1 



11 5 21.6 



21 Can. Ven. 



a Bootis. 



0.5 



2 



No train. 



2 



U 8 57.7 



a Draconis. 



y Bootis. 



0.3 



3 





3 



11 10 41.8 



a Cassiop. 



P Cygni. 



0.2 



5 





4 



11 17 17.8 



a Urs. Maj. 



Upward. 



0.6 



5 



No train,rather slow. 



5 



11 18 21.8 



In Camelop. 



Downward. 



0.2 



3 



Train. 



6 



11 27 47.8 



Vulpecul. 



Pole. 



0.4 



3 



No train. 



7 



11 30 20.9 



£ Urs. Mn. 



Y Cephei. 



1.0 



1 



No train. Slow. 



8 



11 31 56.9 



Across D Camelop Head of Urs. Maj. 



0.2 



4 





9 



11 34 38.9 



C Vertex of A 7 

 l in Camelop. I 



\ Urs. Maj. 



0.4 



4 





10 



11 35 28.9 



f. Cassiop. 



f Between a ^ 



a Andromed. 



1.5 





C Train lasted 20 s. 

 I asbrightasJupiter 



11 



11 46 18.9 



\ Cephei and >- 

 C a Cj'gni. 3 



a Lyrse. 



0.3 



6 



No train. 



12 



11 51 30.0 



y Urs. J\lin. 



y Bootis. 



0.6 



5 





13 



11 53 1.0 



T] Draconis. 



Thro' Cor. Bor. 



0.8 



5 





14 



12 25 56.1 



a Urs. JMin. 



Z Urs. Maj. 



0.6 



1 



Seen thro' a cloud. 



15 



12 26 24.1 



9 Bootis. 



y Bootis. 



0.2 



3 



No train. 



16 



12 27 19.9 



(In head of> 

 \ Urs. Maj. i 





0.7 



1 



Train seen in acloud. 



17 



14 28 9.0 



( Thro' a and \ 

 \ d Urs. MiQ. 5 





0.3 



3 



No train. 



18 



14 33 13.0 



y Cephei. 



Thro' Draconis. 



0.4 



2 



Train. 



19 



14 38 57.0 



Below aUrs.Min. 



t] Urs. Min. 



0.2 



3 



No tr^. 



20 



14 43 46.0 



7/ Persei. 



? Aurigse. 



0.4 



2 





21 



14 52 54.1 



Head of Urs. Maj. 



Vertically down. 



0.2 



3 





22 



14 54 0.1 



Near a Lyrse. 



Downwards. 



0.4 



2 





23 



14 56 0.1 



y Cephei. 



Eastward. 



1.5 



2 





24 



14 56 30.1 



Above y CepheL 



Westward. 



0.2 



2 





25 



15 5.1 



/3 Andromed. 



Southward. 



0.7 



1 



No train. 



The Rev. Dr. Robinson made some remarks on Mr. 

 Cooper's communication, and called the attention of the 

 meeting to observations made by Mr. Cooper on shooting 

 stars seen by him in the daytime. 



Sir W. Rowan Hamilton gave an account of some addi- 

 tional applications of Quaternions to Surfaces of the Second 

 Order. 



In the Abstract printed as part of the Proceedings of the 



