2l8 Permanence of the Riitherfurd Photographic Plates. 



Plate 16. "Faint Stars.' 





Mag. 



Position Angle. 



Old Measures minus New Measures. 1 



















Old Measure. 



2Srew Measure. 



Obs'd. 



Corr'd. 



In See. 



A 34 



7.2 



1 25° 44 50" 



45' 32" 



—42 



+ 12' 



+0.14 



1 8 m 



6.3 



324 44 44 



45 36 



—52 



+ 2 



+ -03 



A5 



9-1 



322 26 5 



27 22 



—77 



—23 



— .26 



A6 



9.0 



293 46 9 



47 10 



—61 



— 7 



— -05 



A II 



9-1 



264 35 4 



35 45 



—41 



+ 13 



+ -04 



A 26 



9.0 



171 7 6 



7 41 



—35 



+19 



+ .19 



A 27 



8.5 



43 46 



46 48 



-48 



+ 6 



+ -03 



A 36 



«.5 



79 15 39 



16 58 



—79 



—25 



— .26 



1 







Distance. 





Old Measures minus 



Star. 



Mag. 









New Measures. 













Old Measure. 



1 



1 New Measure. 



New Meas. 











Ru. Scale. 



Millimeters. 



Eu. Scale. 



Scale. 



In Sec. 



A 34 



7.2 



86.9490 



46.0608 



86.9544 



—.0054 



— o'i5 



18 m 



6.3 



112.7634 



59-7353 



112.7695 



— .0061 



— -17 



A 5 



9-1 



82.0217 



43-4467 



82.0197 



+ .0020 



+ .06 



A 6 



9.0 



53-4466 



28.3106 



53-4454 



+ .0012 



+ .03 



An 



9-1 



20.4362 



10.8241 



20.4340 



+ .0022 



+ .06 



A 26 



9.0 



74.3612 



39-3877 



74-3570 



+ .0042 



+ .12 



A 27 



8.5 



36.5050 



19-3365 



36.5040 



+ .0010 



+ -03 



A 36 



8.5 



76.2216 



40.3750 



76.2208 



+ .0008 



+ .02 



Sum 



542.7047 



287.4767 









