, Ex. Doc. No. 41 



333 



APPENDIX No. 5— Continued. 



JYovemher 6, ISiQ.—Camp 91, on the San Pedro 



DETEBMINATION OF I.ONGITUDE 



Time 



Distance of Aldebaran from 

 moon's western limb. 



Double altitudes of moon's 



upper limb. 



h. m. s. 



7 43 11.0 



7 44 45.2 



7 47 03.8 



7 49 18.0 



7 51 03.0 



Beg. 



mtn. sec. 



25 53 55 



25 54 25 



25 55 35 



25 56 15 



25 57 15 





mtn. sec 



65 27 10 



66 06 20 



67 03 10 



67 58 10 



68 40 50 





Thermometer 42°. 



iKimersion of Jupiter's satellite, 6^. 42m. 40^. 



ti^ 



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