oj the principal fixed Stars, 

 a Cygni. 



Qgi 



j 



i8ie, Sept. 15, 16, 17, 18, 20, 

 21, Oct. 2, 3, 4, 5 



Oct. 8, 10, 13, 14, 16, 23, 23, 

 24, Nov. 7, 8 - 



Nov. 15, 19, 20, 21, 22, 23, 24, 

 Dec. 8, 9, 10 



Dec. 13, 30. 1813, Jan. 8,9, 

 10, 16, 22, Feb. 8, 9, 10 



Feb. 15, 28, March 6, 11, 12, 

 16, 20, q6, 27, Apr. 1 - 



July 27, 28, 29, 30, Aug. 3, 4, 

 5> 7> 9. 10 - 



|5^''>846 



156,980 



1 57405 

 1 57.1 78 

 1 56,6^5 



156,887 



Aug. 11,12,13, ^5^ ^7^ ^9^ 20, 

 21,22,23 



Result very exact. 



a Lyra. 



Mean of 10 

 Mean of 20 

 Mean of 30 

 Mean of 40 

 Mean of 50 

 Mean of 60 

 Mean of 70 



56,846 

 56,707 



56,798 



5^y9^5 



5^S75 

 5^m7 



1812, July 6, y,g, 10, 14. 17, 

 21, 22, 23, 26 



July 28, 30, 31, Aug. 1, 6, IS, 

 13» 15, 16, 17 - 



Aug. 18, 19, 20, 21, Sept. 15, 

 16, 18, 19, Oct. 1, 2 - 



Oct. 3, 4, 5, 8, 9, 10, 12, 15, 

 16, J9 



Oct. 21, 24, 26, 28, 29, 31, 

 Nov. g, 3, 7, 8 



Nov. 13, 15, 19, 20, 21, 22, 23, 

 Dec. 3, 6, 8 - 



Dec. 9, 10, 12, 13. 1813, Jan. 

 2, 7> 9> 15, 2i» J»ne 22 



June 23, 24, 25, 26, 27, 28, 

 July 5> 6, 9, 10 - 



July 11, 12, 13, 16, 17, 18, 19, 

 «3. 24, 25 - 

 MDcccxiii. Q'q 



} 0,123 

 } 0,514 

 } 0,364 

 } 0,299 

 } 0,983 

 } 0,857 

 } 0,514 

 } 0,501 

 } 0,187 



Mean of 10 

 Mean of 20 

 Mean of 30 

 Mean of 40 

 Mean of 50 

 Mean of 60 

 Mean of 70 

 Mean of 80 

 Mean of go 



0,123 

 0,318 



0,334 

 0,325 

 0,457 



0,522 



0,521 



0,519 

 0,482 



