IN THE ARCTIC SEAS. 



19 



Object. 



o Tauri — 1 \i 



f Tauri —1.4 



a Orionis — O.t 



(y Draconis s. p.) +2.3 



d II. I —1.6 



/t Geiuinor — 1.4 



-20^6 



-20.6 



-22.9 



-21.5 



-20.6 



-20.6 



16'' 22"" 15\3 

 16 32 18.3 



37.0 

 38.0 

 00.7 

 30.4 



+ 47"" 4;")". 4 .5'" 18"' 52».3 



+ 'S1 42.4 

 -1-19 23.7 

 -1-13 22.7 



28 55.4 

 47 16.2 

 53 10.3 



7 29.7 6 14 07.8 



6" Oe'" 37».7 

 6 06 37.8 

 6 06 39.9 

 (6 06 33.0) 

 6 06 38.4 

 6 06 38.1 



Excluding y Draconis, we obtain from the mean of four stars the deduced AH of the moon as above. 



January 8, 1854. Circle West. 



Object. 



a Bootis S. p. 

 845 B. A. C. 

 rt Arietis 

 a Ceti 

 CI. 



Saturn centre 

 17 Tauri 

 r; Tauri 

 27 Tauri 



Mean of wires. 



11" 37'° 55^2 



12 05 53.8 



12 09 58.0 



12 23 26.2 



12 41 



58.5 

 01 59.7 

 04 52.8 

 07 28.9 

 09 09.6 



R. 



— 10^5 



— 5.9 



— 5.2 



— 3.1 

 0.0 



+ 3.3 



-I- 3.8 



-I- 4.2 



+ 4.5 



—P. 5 

 + 1.4 

 + 1.4 

 + 1.4 

 + 1.4 

 + 1.4 

 + 1.5 

 + 1.5 

 + 1.5 



+ 24-\9 

 + 24.9 

 + 22.4 

 + 24.9 

 + 24.9 

 + 24.9 

 + 24.9 

 + 24.9 

 + 24.9 



M+R + Cc + Aa. 



ll" 38" 



^M 



12 06 14.2 



2" 08"" 58«.9 



2 37 02.9 



2 41 08.6 



2 54 38.8 



13 09 40.5 



33 19.6 



36 12.7 



38 48.6 



40 29.1 



T = 12" 42'°.0 

 Normal equations : 8 s + 3.3 6 = ■ 

 3.3 E + 1.9 6 =. 



i:^ = + 14" 30-" 50» 

 1.4 b= — l.S 



1.27 £ = + 0.4 



Object. 



845 B. A. C. 

 rt Arietis 

 a Ceti 

 (Ll. . 



Saturn centre 

 17 Tauri 

 t; Tauri 

 27 Tauri 



—0^5 



—0.6 



—0.4 



—0.6 



—0.6 



—0.8 



—0.8 



—0.8 



12" 06'" 13».7 



12 10 16.0 



12 23 49.0 



12 42 24.2 



13 02 28.7 

 13 05 22.2 

 13 07 58.7 

 13 09 39.7 



Difference. 



+ 0" 36"' 10". 5 



+ 32 08.2 



+ 18 35.2 



— 20 04.5 



— 22 58.0 



— 25 34.5 



— 27 15.5 



Deduced sidereal time 

 of moon's limb. 



3" IB-" 13". 4 

 3 13 16.8 



3 

 3 

 3 1 



13 14.0 

 13 14.5 



15.1 

 13 14.7 

 13 14.1 

 13 13.6 



January 9, 1854. Circle West. 



Object. 



y Pegasi 



a Cassiop. R. 



Polaris R. 

 7j Urs. maj. s. p. 

 o Arietis 



10" 30° 



Mean of wires. 



9" SI"" 01". 4 



9 57 58.1 



10 43 17.2 



11 06 47.2 

 11 23 57.1 



R. 



-9". 7 

 —5.2 

 + 2.1 

 + 6.0 

 + 8.8 



M+R+Cc. 



0" 05'° 42". 



32 13.3 



1 05 58.3 

 1 41 46.2 

 1 58 56.3 



Eo = + 14" 34'° 50" 



The normal equations give a = + 38 ^ 9 

 6= + 20.0 

 t = — 24.7 



Omitting Polaris, t would be = — 35.8 



' The azimuthal deviation cannot be found from the above observations. The mean a ha.s, therefore, 

 been used, as found on the 9th and 10th, viz : a = + 24".9. 



