Sixty-five Stars near 61 Cygni. 



79 



Table III. — Corrections for Precession, etc., to 1873 and 

 Zero Corrections. 





Precession, etc. 









Plate 







Special 





No. 







J-2 (East + West) 



Correction 



Adopted Mean. 





Position Angle 



Distance 





Mean. 







Correction. 



Factor X 10 s 









I 



—25-' 



—.0584 



/ // 

 + 12 29 



—27" 



+ 12 2 



2 



—24. 



—•0593 



13 52 



—24 



13 28 



3 



—24. 



—•0593 



13 58 



—24 



13 34 



4 



+ 3- 



— .0611 



13 I 



— 22 



12 39 



5 



+ 8. 



—.0576 



11 57 



— 19 



11 38 



6 



+ 8. 



—.0576 



12 12 



—34 



11 38 



7 



+ 8. 



—.0568 



13 9 



—17 



12 52 



8 



-f 20. 



— .0601 



13 23 



— 20 



13 3 



9 



-j-20. 



— .0601 



14 50 



■ — 20 



14 30 



10 



+21. 



— .0609 



13 27 



— 20 



13 7 



11 



+22. 



— .0611 



14 34 



— 21 



14 13 



12 



+22. 



— .0611 



15 56 



— 21 



15 35 



13 



-j-22. 



— .0611 



13 27 



—19 



13 8 



15 



+ 21. 



+ .0608 



12 45 



—32 



12 13 



16 



+ 19. 



+.0584 



11 27 



—29 



10 58 



17 



+ 19. 



+ .0584 



11 38 



—28 



11 10 



18 



+ 19. 



+.0582 



11 29 



—26 



11 3 



19 



+ 19- 



+.0582 



11 45 



—23 



11 22 



20 



+ 19- 



+ .0582 



+ 13 3 



--25 



+12 38 



Table IV. — Tangent Correction. 



This correction is always negative, and is here expressed in terms of the fourth 

 decimal place of the micrometer readings. 



Distance- 



0. 



1. 



2. 



3. 



1. 



5. 



6. 



7. 



8. 



9. 



20. 



— 



— 



— 



— 



— 



— 1 



— 1 



— 1 



— 1 



— 1 



30. 



2 



2 



2 



2 



2 



3 



3 



3 



3 



3 



40. 



4 



4 



4 



5 



5 



6 



6 



6 



7 



7 



50. 



8 



8 



8 



9 



9 



10 



10 



11 



11 



12 



60. 



13 



13 



14 



15 



16 



17 



17 



18 



19 



20 



70. 



21 



22 



23 



24 



25 



26 



27 



28 



30 



3i 



80. 



32 



34 



35 



36 



37 



38 



40 



4i 



42 



43 



90. 



45 



46 



48 



5o 



52 



53 



55 



57 



59 



61 



100. 



62 



64 



65 



67 



69 



7i 



73 



75 



77 



79 



110. 



81 



83 



85 



87 



90 



93 



95 



98 



100 



103 



120. 



106 



109 



112 



114 



117 



120 



123 



126 



129 



132 



130. 



—135 



-138 



—141 



—145 



—148 



—151 



—155 



-158 



— 162 



-165 



