MEASUREMENT OF AN ARC 

 * OJPHIUCHI,- 



« - a t 



■Nearest 'point on the Limb, 4 35 North 1 . 



1809. 





Observed 





Correct 



Thermometers. 



. 



flj 





Corrections. 



1 





r 



Month. 



■ TSbi j 



Zenith distance. 



! 



Zenith distance^ 



Upper. 



Lower. 



- - - 



April 12 



E. 



4 32 45.74 



+ 



16.12 



4 33 1.86 



o 

 80 



79 



13 



wi 



4 32 58.37 



16.03 



4 33 14.40 



82 



81 



i • 14 



E. 



4 32 46.87 



15.93 



4 33 2.8 



, 82 



81 I 



■| 5 

 J6 



W. 



4 32 57.74 



15.83 



4 33 13.57 



8,1 



80 



E.j 



4 32 45.24 



15.72 



4 33 0.93 



81 



80 



17 



wl 



4 32 57.24 



15.61 



4 33 12.85 



79 



78 



18 | 



E. 



4 32 47.24 



15.49 



4 33 2.73 



, 80 



79 



19 



. W. 



4 32 57.87- 



15.38 



4 33 13.25 



;| 



79 ( 



20 . 



E. 



4 32 44.24' 



15.26 



i 4 32 59.5 



79 



21 



. W. 



; 9 4 32 56.87 



15.13 



4 33 12. 



77 



77 



23 ( 



g EJ 



. 4 32 44.74 



14.87 



4. 32 59.61 



. 80 



80 



24 



a W;. 



. 4 32 55.29 



14.74 



4 33 10.03 



80 



80 



-45 



E.: 



4 32 46.74 



14.61 



4 33 1.35 



7& " 



79 



26 



g E.' 



!-.. ;4 32 47.24 



14.47 



4 33 1.71 



82 



82 ' 



" -27 - 



W. 



• -4 32 58,24 



14.33 j 



4 33 12.57 



83 



83 



28 



w. 



4- 32 59.74 



14.19 



4 33 13.93 1 



83 



83 



29 



E. 



4 32 47.74 



14.04 



4 33 1.78 



83 



83 



30 



1 



W. 



4 32 59.74 



13.89 



4 33 13.63. 



Mean 



83 



83 



80.72 



80.33 



.«•*<! 



e 



jto • ■ 



. < 



- 



e 



AiQfifflLM. 





.... 





■■ m -:..- a 



' -• fig .; i 1 : '2 o 



. W ; 



. - . ' 





B 



! ! ..■■"■' v 1 



}. ;•< 





. , ) '■. 



.-, 



Nearest point 



on the Limb, 5 25. ,' Worth. 



i ' * ■ i * 







- ; 



April 13 



' W 



5 25 50.5 





18. 



■:■''■;•! - 

 "or ■,- ,V* 



S.<g> 25 -32. 5 



| ' 82 • :■ 



81 j 



28 ' 



E. 



' : 5 '■ 25- 36.13 





19 71 



5 26 1.6.42 



82 : ; 



83 



29 | 

 1 30 



W 



5 25 51.13 





19.85 



' 5- 25 31.28 ! 



8:2 •".< 

 !'• 82 > 



82 



■ E. 



' S 25 36.88 





20.01 



' '5- 25 1,6.87 



82 J 



May 1 



' w 



5 25 52.5 





SO. 15 



' -.•& 25 32.35 < 



■1 79 : 



79 



,: •■•■' s' ■' 



; E. 



5-25 3-5. 





' ^') 45 



' ". S! 25/ 14.55 - 



.' 78 - 



78 



*¥ '6 ■ 



' W 



.-' 5 2551.63. 



■ 



- -'-20.98 



1 . -'6" 25. 30.71 • 



. 81 ' 



81 



8 



:,.'■:'' ...li 



E. 



'5 25 37.63 



- 





'-S1. 26 



ICMW IS. 87 



Me 



80 



80 



. 80. 5 



an g|0,75 



