302 Occidtatlons of stars at Madras. [Jur;v 

 h 



a ' cos D : I : : 1 s -f u [ . | s — n | J : a- the snnii- 



~^03 O ^ [duration 



\- cr = 1 s -f n I . I s — cos O 

 a cos D 



rp- f. ^ 1 ^ + cr ~ 'he time oFEmersion. 



I — c- i he hnieoi iiiiinersion. 



The following exanipio will snsiicioutly illustrate these 

 observations — 



1 find from the nautical Almanac tliat on the 9th June 

 N' - -^rpii v\dll be occulted ; the Ibilo wing are the ele- 

 meuts. 



li m s 



11. 35. 14. Madras Mean Time of d 



Right Ascension. 

 16. 44. 47. 93 — Siderial Time of 



+ 



0, 47. 



1. 





'si 







h 



m 



8 





A 





15. 



0 



57. 



46. 

 II 



05 



D 





19. 



50. 



45. 



6 



L 





— 0. 



34. 

 m 



17, 



s 



0 



a 







2, 



OQ 

 II 



59 



d 





+ 



10. 



m 



56. 

 s 



9 



P' 







0 



52. 



15. 



P" 







1. 



56. 

 II 



15 



P' 







oo 



4. 



I 







+ 



31. 



29. 



T 



