620 



SCIENTIFIC RESULTS OF ZIEGLER POLAR EXPEDITION 



Latitude 



Latitude was determined at Alger Island by the method of circummeridian observations of 

 the Sun, the reductions being carried out in the usual method.* The results are summarized 

 in the following tabulation : 



Summary of latitude observations at Alger Island 





 

 

 

 



Chronom. 



No. 1764 



time 



h m s 



19 49 50 



57 40 



20 02 05 



05 18 



10 58 

 16 51 



20 47 

 26 21 

 30 14 

 32 58 

 38 39 

 43 30 



19 49 30 



53 09 



56 07 



59 II 



20 02 31 



06 07 



11 45 

 15 45 

 18 37 

 22 57 



26 22 

 29 49 



19 53 40 

 56 48 



59 35 



20 02 30 



05 17 



08 03 



21 15 



24 33 



27 06 

 29 27 

 32 15 

 34 58 



Observed 



zenith 



distance 



56 48 49.4 



78 26.1 



77 43-7 



77 16.9 



45 10.5 



45 09.0 



45 20.7 



77 33-9 



78 II. 6 



78 44-9 



48 43-1 



50 10.5 



57 23 

 22 



21 

 21 

 20 

 20 



56 47 

 47 

 47 

 48 

 48 

 49 



58 19 

 18 

 18 

 17 

 17 

 16 



57 45 

 45 

 45 

 45 

 46 

 46 



25-4 



24.1 



41.4 

 01.9 



32.4 

 06.6 



524 

 50.9 

 50.4 

 15.2 

 40.4 

 093 



43.5 

 51.9 

 09.3 

 380 

 16.2 



541 

 07.4 

 17.6 

 37.0 

 55.2 

 28.2 

 55-3 



Bn 



4-0. I 



Zenith dis- 

 tances 

 reduced to 

 meridian 

 and Sun's 

 center 



57 



+0.1 

 +0.1 



+0.1 



57 



+0.1 



58 



02 17.6 

 22.8 

 27.8 

 26.6 

 i6.5 

 18.6 

 18.S 

 27.2 

 27.0 

 27.2 

 28.9 

 24.5 



04 74.1 

 74.6 



75-3 

 73-8 

 78.2 



79-9 

 59-5 

 61.5 

 56.4 

 63.0 

 64.4 

 60.8 



02 08 8 

 066 

 o?.o 

 04.7 



095 

 08.5 

 16.3 



133 

 17.2 

 16.9 

 22.8 



l8.2 



Resulting lati- 

 tude 



•80 21 19.1 N 



■80 21 18 9 N 



[■80 21 20.7 N 



* Spherical and practical astronomy, by William Chauvenet. Philadelphia, 1885, 5th edition. Pp. 233-253. 



