22 



OPPOSITION OF MARS, 1849-50, 



Remarks. 



Clouds prevented observations last night. During the earlier portion of those to-night, both objects were imperfectly denned and wavy. 

 4*. 23m. A small star just seen following Mars, which must have been occulted this evening. There are several stars in tbe field not embraced 

 in the catalogues. 



a Micrometer recorded +10.95. d Excellent. 



Mara moves steadily and is better defined. r Recorded 37 .2. at wire A. 



Good. /Recorded 28.3i. at wire A. 



Results. 



m. s. 



+ 8 0.657 

 9 1.160 , 

 8 51.525 



+ 8 50.810 



Rev. 



-3.419 

 4.376 

 3.180 



4.075 



h. in. 



Correction for chronometer at 4.33 . 

 Correction for chronometer at 4.45 . 



Hiintiafo sid. time \. P. 

 Hantiago sid. time 8. F. 

 Interval 



. 11.11 

 . 11.19 



h. m. i. 



4 32 51.64 



4 44 39.57 



11 40.93 



h.m. 



Correction for chronometer at 6 33 . 

 Correction tor chronometer at 7 9 . 



Santiago sid. time N. P. 

 Santiago sid. time 6. F. 

 Interval 



= 1 6.64 

 1 25.99 

 1 1.98 



= 1 19.49 



a. 



. 11.17 

 11.18 



h. m. i. 



6 33 10.45 



7 2 19.10 



j'i Ml 



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

 Variation of A. R in 11m. 41s. . . 

 Observed P. F. diameter . . . 



7.54 



+ 19.58 



90.19 



A N. 8. limbs micr. in rev 0.958 = 18.65 



Variation of declination in Urn. 4 If. . + 0.31 



Corr. for diam. of micr. wires ... 9.90 



Observed N. 8. diameter 16.76 



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

 Variation of A. R. in 2m. 9t. 

 Obaenred P. F. diameter .... 



h m. 



A f at 4 98 

 A at 4 40 



10.79 



+ 3! .06 



20.34 



0.07 



Ol 



A N. 8. limbs micr. in rev. . . . 

 Variation ol declination in 39m. 8>. 

 Corr. for i|j:iiii. of mier. wires . . 

 Observed N. S. diameter . . 



b. m. 



A f at 6 99 



A f at 



0.895 = 17.44 



+ 0.80 



9.90 



16.04 



0.07 



i 



