86 



OPPOSITION OF MARS, 1851-52, 



Remarkt. 



Dunne all ihc earlier observations, blurred and unsteady Imago ; light cirri at times obscuring tin- comparing star. 



Scarcely viMhl. . d Image sharp at all the following observations. 



1 Micrometer recorded 4.55 rev. Sharp and steady at all the following observations. 



t Recorded fa. Om. 30t. at win 0. 



Results. 



Mean 8. P. 

 M-anN.F. 

 Mean N. F. 

 Mean 8. P. 



Pint ten transits 

 First ten transits 

 Last trantit . . 

 Last two transits 



b. m. 



Correction for chronometer at 7 17 . 

 Correction Tor chronometer at 8 13 . 



b. m. s. 



7 16 41.60 



8 13 14.66 

 8 47 97.04 

 8 47 14.04 



m. i. 



1 9.30 



1 9.45 



-9 46.776 

 9 46.030 

 9 46.040 



3 40.760 



Rev. 



r I IB 

 5.498 



. JM 



+ 4.B30 



Santiago sid. time S. P. 

 Santiago sid. time N. F. 

 Interval 



. 1 93.47 



. 1 47.16 



. 1 48.53 



. 1 34.13 



h. m. s. 



7 15 32.30 



8 19 5.91 

 56 39.91 



A P. F. limbs in A. R. reduced to arc 

 Variation or A R. in 56m. 33i. . . 

 Observed P. P. diameter .... 



Correction for chronometer at 8 47 

 Correction for chronometer at 6 47 



11.19 



1.99 



9.97 



1 



9.54 

 9.54 



A N. 8. limbo micr. in rev. . . . 

 Variation of declination in 56m. 33>. 

 t'orr. for diara. of micr. wire* . . 

 Observed N . 8. diameter .... 



Santiago sid. time N. F. 

 Santiago sid. time 8. P. 

 Interval . . 



1.915 = 93.68 



6.78 



9.90 

 14.70 



b. m. s. 

 . 6 46 17.50 

 . 8 46 4.50 



13.00 



A P. F. limb, in A. R. reduced to are 



Variation of A. R. in 13. 



Observed P. P. diameter . 



b. m. 

 A f at 7 18 

 A fM8 15 



10.80 



0.05 



10.75 



0.08 

 0.09 



A N. S. limbs micr. In rev. . 

 Variation of declination in 13.. 

 Corr. for diam. of micr. wires 

 Observed N. S. diameter . . 



h. m. 



A p at 8 48 

 A f u 8 48 



0.790=15.40 

 0.06 



13.14 



0.06 

 0.07 



DECEMBER IT, I- .1 . 



Cloudy. 



DECEMBER 18, 



Cloudy. 



