280 Fermanence of the Rutherfurd Photographic Plates. 



Plate 22. 





Mag. 



. Position Angle. 



Old Measures minus New Measures. 1 



















Old Measure. 



New Measure. 



Obs'd. 



Corr'd. 



In Sec. 



A 34 



7.2 



125° 49 57 



49 21 



+036 



+ 6 



+o'o7 



1 8 m 



6.3 



324 49 17 



48 52 



+0 25 



— 5 



— .08 



A 12 



7.5 



347 47 2 



46 10 



+0 52 



+22 



+ .16 



A 22 



7.0 



175 37 35 



37 21 



+0 14 



—16 



— .06 



A 24 



7.0 



9 46 36 



46 49 



—0 13 



—43 



— -13 



A 28 



7.0 



161 3 17 



2 56 



+0 21 



— 9 



— .12 



A 30 



8.4 



117 38 54 



38 4 



4-0 50 



+20 



+ .17 



A 39 



7.7 



61 3 5 



2 7 



+058 



+28 



+ -39 









Distance. 





Old Measures minus 



Star. 



Mag. 









New Measures. 













Old Measure. 



New Measure. 



New Meas. 











Ru. Scale. 



Millimetres. 



Ru. Scale. 



Scale. 



In Sec. 



A 34 



7.2 



86.9402 



46.0497 



86.9310 



+ .0092 



+a26 



18 m 



(>-3 



112.7456 



59.7309 



112.7579 



—.0123 



— -34 



A 12 



7.5 



52.9402 



28.0457 



52.9436 



—.0034 



— .10 



A 22 



7.0 



25.9606 



13.7485 



25.9539 



-f .0067 



+ -19 



A 24 



7.0 



22.4920 



II. 9127 



22.4884 



+.0036 



+ .10 



A 28 



7.0 



93.9419 



49.7660 



93-9465 



— .0046 



— -13 



A 30 



8.4 



61.8146 



32.7450 



61.8148 



— .0002 



— .01 



A 39 



7.7 



103.3512 



54.7475 



103.3504 



+.0008 



+ .02 



Sum, 





560.1863 



296.7460 









