of the principal fixed Stars, 

 a Cor. Bar. 



293 



1812, June 11, 12, 13, 14, -is, 

 19,21,22,23,28 



June 30, July 4, 6, 8, 9, 15, 18, 

 19, 20, 21 - 



July 22, 26, t8, Aug. 13, 15, 

 17, 18, 19, Sept. 15, 16^ 



Sept. 19, 20, 21, Oct. 3, 4, 5, 

 6, 8, 13, 20 - 



Oct. 26, 28, f9, 31, Nov. 20, 

 21, 32, Dec. 7, 12, 14 - 



1813, Jan. 8, 9, 11, May 29, 

 June 7, 8, 10, 12, \6, 18 



June 21, 22, 24, 25, 27, 29, 

 July^ 6, 10, 12 



July 16, 17, 18, 19, 20, 23, 24, 

 26, 27, 28 - 



Exact to less than a quarter of 



ct Arietis. 



1 54.833 

 1 55,008 



} 55,4^7 



Mean of 10 



Mean of 20 



Mean of 30 



Mean of 40 



Mean of 50 



Mean of 60 



Mean of 70 



Mean of 80 

 a second. 



55>44i 



55S^^ 



55,35^ 



55^5^3 



55,577 



55A53 



55,3^9 



55.401 



} 37.380 

 136,263 

 }35>8 11 

 } 5^,53^ 



Mean of 10 

 Mean of 20 

 Mean of 30 

 Mean of 40 



1812, June 18, 19, 22, 23, 26, 

 28, July 6, 7, 9, 10 



July 14, 17, 20, 21 , 22, Aug. 17, 

 Oct. 24, 25, 26, 28 



Oct. 29, 31, Nov. 3, 5, 6, 7, 8, 



Nov. 21, 22, 24, 28, 29, Dec. 6, 

 7,8,13. 1813, Jan. 8 



Jan. 9, 16, May 22, June 19, 

 20, July 4,5,6, 11, 16 



I mentioned this star as doubtful in my former Catalogue. 

 I believe the discordances were quite accidental, and that the 

 mean result is within a quarter of a second of the truth. 



Qq2 



1 3^*474 Mean of 50 



37*380 

 36,822 



3^>485 

 3^.497 

 3^>492 



