PRESIDIO OBSERVATORV, SAN FRANCISCO, CALIFORNIA. 



153 



Pill-: si I) 10 BVATOB V . 



Latitude, 37- 47' 36". LouKitu<l>. 122' 2' 15" (HA. 9m 45. , we>t of 



I i.ltiu \it\ :? .....i :-. i^ . j. 



MARCH 4 and *5. 





(i; mm:' n mean 

 time. 



10 P. M. 



11 



19 



1 A. M. 



I 



3 



4 



5 



i 



7 



8 



I 



10 

 II 

 19 



1 P. M. 



9 



JO A 



