Researches in Stellar Photography. 



201 



Table II.— April 2nd, 1886. 

 Plate B. Exposure 12 m. Altitude 21° 50'. 



Star's 

 designation. 



.Measured 

 diameter. 



Computed 

 (photographic) 

 magnitude. 



Photometric 

 magnitude. 



Difference 

 C - 

 in mag. 





28 '74 



3*03 



3 -12 



— 0-09 



JVTaia t 



23 47 



3 "93 



3 "96 



— 0-03 



.A-tlas . . . . . 



26-68 



3 *71 



4 -00 



— 0-29 





21-41 



4-46 



4-30 



+ 016 





19 70 



4-75 



5-46 



-0-71 





16 -00 



5-71 



6-04 



-0-33 



32 



13-53 



6 45 



6-34 



+ 0-11 





13 80 



6 37 



6-56 



-0-19 



24 



13-84 



6-36 



6-53 



-0-17 



29 



12-70 



6-72 



6-58 



+ 0-14 



12 



12 -29 



6-86 



6-74 



+ 0-12 



19 



12-67 



6-73 



6-78 



-0-05 



22 



13-55 



6-44 



6-80 



-0-36 



31 



11-60 



7-10 



6-81 



+ 0-29 



17 



12 -28 



6-86 



6-84 



+ 0-02 





12-55 



6-77 



6-78 



-o-oi 



10 



11-26 



7*22 



7-18 



+ 0-04 



8 



10-79 



7-39 



7-36 



+ 0-03 



20 



10 46 



7-51 



7-52 



-o-oi 



18 



10-00 



7-69 



7-61 



+ 0"08 



7 



10-53 



7-49 



7-54 



-0-05 



9 



9-90 



7 73 



7-68 



+ 0-05 



30 



9-76 



7-78 



7-89 



-0-11 



15 



8-56 



8-26 



8-09 



+ 0-17 





9-14 



8-02 



8-22 



-0-20 



