Specimen Observations and Computations 



31 



Astronomical Observations and Computations. 



Observations of Sun for Latitude. 

 Station: Tekrit, Asiatic Turkey 



Theodolite: Mag'r. No. 7 

 Chronometer: 257 



Date: Tues. Dec. 13, 1910 

 Observer: W. H. S. 

 Temperature: 16''.0 Cent. 



Computation of Latitude from Circummeridian Altitudes of Sun. 



Station: Tekrit, Asiatic Turkey 



Chron. correction on L. M. T. 

 Local mean time of app. noon 

 Chron. time of apparent noon 



Date: Tues. Dec. 13, 1910 



h m s 



+2 52 07 



11 53 57 



9 01 50 



Use four-place logs. 



t r = meridian passage zenith distance. 



