128 



Parallax of 6 1 1 Cygni, deduced from 



Table XVI. — Observational Data. 

 Comparison Stars 64 and 6. 



Plate 

 No. 



I 



Corrected 

 Star 64 



Distance. 

 Star 6 



Sum 



of 



Distances 



Mean 

 minus Sum 



Difference 



of 

 Distances 



Scale Corr. 



Corrected 

 Difference 



120.0484 



94.9562 



215.0046 



—.0152 



25.0922 



— .0018 



25.0904 



2 



•0593 



.9648 



.0241 



—•0347 



•0945 



— .0041 



.0904 



3 



.0361 



.9600 



214.9961 



— .0067 



.0761 



— .0008 



•0753 



4 



.0406 



.9519 ! .9925 



—.0031 



.0887 



— .0004 



.0883 



5 



•0495 



•9559 



215.0054 



— .0160 



.0936 



— .0019 



.0917 



6 



.0321 



.9487 



214.9808 



+.0086 



.0834 



+.OOIO 



.0844 



7 

 3 



.0632 



.9609 



215.0241 



—•0347 



.1023 



— .0041 



.0982 



9 



•0305 



.9480 



214.9785 



+.0109 



.0825 



+.0013 



.0838 



10 



•035I 



.9526 



.9877 



-[-.0017 



.0825 



+.0002 



.0827 



11 



.0430 



.9487 



.9917 



— .0023 



•0943 



— .0003 



.0940 



12 



•0439 



•9499 



•9933 



— .0044 



.0940 



—.0005 



•0935 



13 



.0425 



•9357 



.9782 



+.OII2 



.1068 



+.0013 



.1081 



15 

 16 



II9.9999 



.9668 



.9667 



+•0227 



•033I 



+.0027 



•0358 



17 

 18 



.9914 



.9781 



•9%5 



+.0199 



•OI33 



+.0023 



.0156 . 



19 



.9998 



.9805 



.9803 



+.OO91 



.0193 



-f-.ooii 



.0204 



20 



.9832 



.9701 



•9533 



+.0361 



.0131 



-[-.0042 



.0173 





Adop 



bed mean, 214.9894 





Assi 



imed value 



, 25.0730 



