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Show 22 CarUa, Xevada, May 23, 1871. 2s a mo of star. | Clamp. £ Ophinchi E. i| Herculis I " W. 4 Ophiuchi , W. K Ophiuchi ! W. t rrweMinoris.. J W. a Herculis .1 W. a> DraMcoenains correctioI n f£ o. r 17h 0' T h. TO. 8. 16 25 20. 82 33 49. 96 43 12 84 46 52. 46 55 14.38 17 4 4.77 33 13.82 1 6B | oA 8. 8. - 0 . 0 2 ' + 4.46 - 0 . 2 2 +• 0.20 - 0 . 1 7 + 2 . 90 - 0 . 1 8 ;+ 2.96 - 0 . 7 2 '- 27.78 - 0 . 15 + 2. 58 - 0 . 6 3 ,-- 7.35 eC 8. - 0 . 01 + 0.02 4 0.01 + 0.01 + 0.08 + 0.01 - 0 . 0 3 T, AK. h. TO. 8. \ h. TO. 8. 16 25 25. 25 ' 16 30 4. 89 33 49.96 43 15. 58 46 55. 25 54 45. 96 36 30.22 47 55. 84 51 35.16 59 25. 94 17 4 7.21 1 17 8 47.38 33 5. 81 j 37 46. 01 AT TO. 8. + 4 39. 64 40.26 40.26 39.91 39. 98 40.17 + 4 40.20 + 4 40.060 Xormal equations, 0 = - 1. 90 + 7.00 S T - 3. 90 a - 7.97 c 6 T = + 0 « . 060 0 = + 10.25 - 3.90 6 T + 27. 26 a' + 32.16c a' = - 0.353 0= + 1 2 . 6 6 - 7.97 dT + 32.16 a' + 68.53c e = - 0.012 I introduced a preliminary azimuth of + 6 » . 00 ; the azimuth of the instrument \ ros + 5*. 647. observatious of J) Draconis and w Draconis differ so much that they had to be excluded. The CarUtu Xerada, May 24 1871. y OepliH, L. C p Leonia y l'r. Hie Majoris o Virginia 4 Draconis 0 Corvi 21 CasaiopefG, L. C. 32 Camelopardalis 0 Virginia a Virginia , 0 .. + 1.32 - 0 . 31 - 0 . 52 - 0 . 30 - 1 . 48 - 0 . 32 - 1 . 11 + 2.90 4 0.30 + 0.31 T' h. TO. s. 11 29 20. 08 37 48. 52 42 22. ( W 53 58.59 12 1 30.23 22 57. 26 32 26. 85 43 38. 19 58 37. 21 13 13 44. 95 AR. h. TO. 8. 11 34 2 59 43 S « 9.27 47 3.00 58 38. 92 12 6 10. 58 27 37. 76 37 6.05 48 19.81 13 3 17. 36 18 25.05 Mean correction of chronometer excluding the polar stars, for 13h 0m local sidereal time + 4 40.372 TO. *. + 4 42.51 40. 75 40.40 40.33 40. 35 40. 50 39.20 41.62 40.15 + 4 40.10 Xonnal equations. 0 = + 4. 22 + 10. 00 8 t +• 0. 63 a 0 = - 89.14 + 0. 63 61 + 82. 97 a a= - K072 Several other computations have been made, giving for the correction of chronometer no better result. The error of collimation was adopted to - 0,. 30. CarUn, Xevada, May 24, 1871. Name of star. Serpentis Ursje Minoris 1 Scorpii Ophiuchi Herculis Draconis Ophiuchi Herculis W. w. w. IV. E. E. E. E. h. TO. *. 15 40 45. 54 44 1.61 53 19.06 16 2 57.60 11 14.00 17 36. 72 25 26. 92 33 51.10 - 0.06 - 0 19 - 0.01 0.00 - 0.17 - 0.24 - 11.07 - 0.13 OA *. - 1 . 2 5 + 6.32 - 1 . 95 - 1 . 48 + 0.32 , + 1.61 - 1 . 67 i - 0 . 07 cC 8. + 0.30 +- 1.47 - r0.32 + 0.30 - 0 . 44 - 0 . 64 - 0 . 30 - 0 . 39 T' h. TO. 8. 15 40 44.53 44 9.21 53 17.42 16 2 56.42 11 13.71 17 37.45 25 24. 88 33 50.51 AR. h, TO. ft. 15 44 24.65 48 49. 34 57 57 84 16 7 36. 65 15 53. 70 22 17.79 30 4.89 38 30. 22 AT TO. + 4 40. 12 40. 13 40.42 40.23 39.99 40.34 40.01 + 4 39. 71 Mean correction for I0h 10 ™ I + 4 40.12 Xormal equations. 0 = - 2. 78 + 8.00 S t - 0. 86 a it-+ 0U20 0 = + 24.99 - 0 . 8 6 < Sf + 11.74 a a=- 2M20 The eiror of collimation of the instrument is adopted as - 0". 30. |