448 



MEMOIRS OF THE AMERICAN ACADEMY 



Computation of Transits observed at Cambridge on January 3, 1870. 



ThrtaU* 



.1 



M 



/ 



log-/ 



secant d 



log. Q 



log. 



log./? 



R 



Aporft, 



yl 



B 



C 



k 



BL or Bb 



T 



t 



Cc 



m, 



( w o) 



ij I'ISCII M. 



W. 

 CDE 



i h 2i m ai-.ii 



1 1° 40' 26" 



26™ 28V887 



+ 



.024 



8.38021 



."1441 



8.39462 



.025 



.136 



.481 



.916 



1.034 



.016 



.125 



2G m 28 8 .912 



26 28,771 



1 57.661 



.242 



1 57.903 



1 57.888 



O PlSCIUM 



w. 



CDE 



l h 38™31 8 .35 



8° 30' 3" 



40 m 28'.853 



+ 



.024 



8.: 18021 



.00480 



8.38501 



.024 



.150 



.564 



.839 



1.011 



.016 



.126 



40™ 28 8 .877 



40 28.735 



1 57.385 



.237 



1 57.622 



1 57.609 



/J Arietis. 



W. 



CDE 



l tl 47- 27'.27 



20° 1 0' 1 6" 



49 ra 24 8 .946 



+ 



.024 



8.38021 



.02749 



8.40770 



.026 



.159 



.403 



.986 



1.065 



.016 



.157 



49 m 24'.972 



49 24.799 



1 57.529 



.249 



1 57.778 



1 57.766 



50 Cassiop. 



W. 



B* CD 



l h 52 m 22. 8 G3 



i Cassiop 

 BC 



2 h 18 m 23 8 .72 



71° 47' 35 



// 



53™ 36\956 



66° 49' 5 



// 



19 m 23-.015 



+ 14.362 - + 23.519 



1.15721 



.50522 



1.66243 



45.965 



.162 



1.572 



2.788 



3.200 



— 



.050 



— 



.452 



54™ 



22".921 



54 



22.419 



1 



58.789 





.749 



1 



59.538 



1 59.527 



* The observation on thread B, was lost. 



1.37142 



.40488 



1.77630 



59.744 



.186 



1.051 



2.313 



2.540 



.039 



.430 



20 m 22 8 .759 



20 22.290 



% Cassiop 

 E 



BC 



2 h 18 m 23'.72 



66° 49' 5" 



21™ 23 8 .541 



23.519 



1.37142n 



1.77630n 



59.744 



.116 



.039 



.268 



20 m 23 8 .797 



20 23.490 



