132 



Parallax of 61 1 Cygni, deduced from 



Table XVI. — Observational Data. 

 Comparison Stars 5 and 53. 



Plate 

 No. 



Corrected 

 Star 5 



Distance. 

 Star 53 



Sum 



of 



Distances 



Mean 

 minus Sum 



Difference 



of 

 Distances 



Scale Corr. 



Corrected 

 Difference 



I 



77.2195 



75-9023 



153.1218 



—.0225 



I-3I72 



— .0002 



I-3I70 



2 



.2144 



•9034 



.1178 



—.0185 



.3110 



— .0002 



.3108 



3 

 4 



.2131 



.8892 



.1023 



— .0030 



•3239 



— .0000 



•3239 



5 

 6 



•2135 



.8975 



.IIIO 



— .0117 



.3160 



— .0001 



•3159 



7 

 8 



.2180 



.9198 



•1378 



-•0385 



.2982 



— .0003 



•2979 



9 



.2093 



.8921 



.1014 



— .0021 



.3172 



— .0000 



.3172 



10 



.2058 



•8913 



.0971 



+.0022 



•3145 



-f-.oooo 



•3H5 



11 



.2092 



.8894 



.0986 



+.0007 



.3198 



-j-.oooo 



•3198 



12 



.2103 



.8845 



.0948 



+.0045 



•3258 



-j-.oooo 



•3258 



13 



.2093 



.8958 



.1051 



—.0058 



•3135 



— .0001 



•3134 



15 



.2244 



.8536 



.0780 



+.0213 



.3708 



+.0002 



.3710 



16 



.2169 



.8650 



.0819 



+.0174 



•3519 



-J-.0002 



•3521 



17 



.2201 



.8707 



.0908 



+.0085 



•3494 



-j-.oooi 



•3495 



18 



.2254 



•8513 



.0767 



+ .0226 



•3741 



-J-.0002 



•3743 



19 



.2317 



•8559 



.0876 



-+-.0117 



■3758 



4-. 0001 



•3759 



20 



.2199 



.8646 



.0845 



+.0148 



•3553 



+.0001 



•3554 





Adop 



;ed mean, 



I53-0993 



Assumed value 



h 1 -333Q 



