ASTRONOMICAL OBSERVATIONS. 

 APPENDIX A— Continued. 



15 



CAMP S— SEPTEMBER 19, 1855 

 Observe! — Lieut. R. S. Williamson, U. S. Top. Engineers. 



Object observed. Time of observ'n Observed double 



by watch. altitudes. 



Polai 



Altair , 



ft. 



8 

 8 

 8 

 8 

 8 

 8 

 8 

 8 

 8 



m. 

 11 

 13 

 15 

 16 

 17 

 18 

 20 

 22 

 23 

 25 



42 



43 

 44 

 45 

 46 

 47 

 48 

 49 

 50 

 51 

 52 

 53 

 55 

 56 

 56 

 57 

 58 

 59 



s. 

 59.2 

 54.4 

 01.2 

 00.4 

 23.2 

 52.4 

 40.0 

 07.2 

 27.6 

 02.8 



13.6 



16.0 

 08.0 

 06.8 

 09.2 

 03.6 

 08.8 

 23.6 

 27.6 

 28.8 

 31.2 

 52.8 

 02.0 

 03.2 

 50.0 

 45.2 

 46.0 

 28.8 



d. m. s. 



89 23 20 



89 24 40 



89 25 00 



89 26 



89 27 



89 27 40 



89 28 50 



89 30 10 



89 31 20 



89 31 30 



10 

 10 



108 22 40 



108 23 50 



108 24 40 



108 25 40 



108 26 2i) 



108 27 10 



108 28 10 



108 28 20 



108 28 40 



108 28 40 



108 27 40 



108 27 50 



108 25 50 



108 26 20 



108 25 10 



108 24 50 



108 23 50 



108 22 40 



Index error — 5' 20". Barometer, 26.9 in. Thermometer, 

 540. 



CAMP S— SEPTEMBER 20, 1855. 

 Observer — Lieut. R. S.Williamson, U. S. Top. Engineers. 



CAMP S— SEPTEMBER 20, 1855— Continued. 

 Observer — Lieut. R. S. Williamson, U. S. Top. Engineers. 



Object observed. 



' Time of observ'n 

 by watch. 



Altair . 



Observed double 

 altitudes. 



108 27 

 108 27 



a m. s. 



108 24 30 



108 25 50 



108 26 00 



108 26 30 

 00 

 30 



108 28 00 



108 28 



108 28 



108 28 



108 27 



108 27 



108 26 



108 26 



108 25 



10 

 00 

 00 



111 



00 

 40 

 20 



20 



108 24 20 



Index error — 5' 40". Barometer, 26.9 in. Thermome- 

 ter, 540. 



CAMP S— SEPTEMBER 21, 1855. 

 Observer — Lieut. R. S. Williamson, U. S. Top. Engineers. 



Sun's lower limb., 



h. m. s. 



11 49 38.8 



11 50 12.4 



11 50 42.8 



11 51 30.0 



11 52 15.2 



11 52 53.2 



11 53 24.8 



11 54 30.8 



II 55 17.2 



11 56 08.0 



11 56 52.8 



11 57 24.8 



11 58 08.8 



11 58 49.6 



Polaris. 



Altnir., 



18.8 

 22.0 

 24.0 

 07.2 

 09.6 

 12.0 

 02.8 

 09.6 

 05.2 

 03.2 

 30.0 

 26.8 

 19.2 

 25.6 

 38.8 

 40.0 

 40.0 

 27.6 

 11.2 

 02.8 



7 39 21.6 



7 40 13.2 



7 41 07.2 



7 41 49.2 



7 42 35.2 



d. m. s. 



92 21 30 



92 21 50 



92 22 00 



92 22 20 



92 22 40 



92 22 40 



92 22 40 



92 22 40 



92 22 30 



92 22 10 



92 22 10 



92 21 40 



92 21 40 



92 21 30 



88 50 10 



88 50 30 



88 51 20 



88 51 40 



88 52 20 



88 53 10 



88 53 30 



88 54 30 



88 55 10 



88 56 00 



88 57 10 



88 58 00 



88 59 30 



88 59 50 

 K9 00 40 



89 01 10 

 89 02 00 

 89 03 20 

 89 03 30 

 89 04 00 



108 27 10 



108 27 20 



Ids 27 311 



ins 28 nil 



Mix 27 20 



