ASTRONOMICAL AND GEODETIC OBSERVATIONS. 



39 



10" 41"' 



48^ 



42° 



59' 



14" 



53° 43' 



30" 



—48" 49» 



10 50 



55 



42 



50 



17 



64 29 



27 



52 



10 54 



02 



42 



40 



43 



65 18 



26 



44 



10 56 



GO 



42 



35 



19 



65 45 



57 



52 



10 58 



10 



42 



28 



32 



66 20 



30 



44 



11 00 



43.5 



42 



21 



24 



66 56 



42 



44 



11 02 



35.5 



42 



15 



29 



67 26 



42 



46 



.11 04 



27.5 



42 



09 



37 



67 56 



18 



40 



11 21 



13 



41 



19 



58 



72 05 



09 



53 



11 23 



12 



41 



13 



58 



72 35 



39 



50 



11 25 



00 



41 



08 



19 



73 03 



09 



48 



11 26 



54.5 



41 



02 



20 



73 32 



53 



44 



11 29 



05.5 



40 



55 



53 



74 04 



50 



48 



11 31 



16.5 



40 



48 



50 



74 39 



49 



39 



11 33 



17.5 



40 



42 



25 



75 11 



34 



33 rejected 



11 35 



27.5 



40 



36 



38 



75 40 

 Mean 



10 



49 





. —48 46.8 ± 0'.7 



Observations for time, October 9, 1860. 

 Double altitudes of a Lyrse, with reflecting circle. A. Sonntag, observer. 



J -, f + i' 20" +1' 00" +r lo"') ^ .• , 1, o" Q 



Index |_^j 10 +0 50 +0 50 | Correction +1 3 .3 



Pocket chronometer 



2* 



10" 33" 



1 42» 



84O40'{3j 

 ..^ f20 



34 



32 



35 



29 



30 ^^^ 

 ""^ (40 



36 



17 



<,. (40 

 --^ 130 



37 



10 



20 \^^ 

 ■^^ l40 



38 



17 



11 ^40 

 1^ 130 



39 



37 



M5S 



40 



40 



83 59 {f. 



41 



46 



52 \^^ 

 ^■^ I20 



42 



52 



«{S2 



43 



47 



"tt 



45 



18 



»e 



46 



•01 



^«a 



46 



52 



^^a 



47 



53 



'^{S 



48 



42 



'« \s> 



Pocket chronometer 



2 



* 



IC- 50-^ 



08' 



83° 02 



, (20" 

 120 

 (20 

 (20 



50 



54 



82 57 



51 



43 



53 



(20 

 (30 



52 



35 



48 



(10 

 110 



53 



31 



43 



(20 



loo % 



54 



26 



36 



(30 % 



loo fe 



55 



45 



28 



|40 ^ 

 120 



56 



37 



23 



I20 ^ 



57 



22 



18 



(40 "^ 

 150 1 



58 



12 



13 



(40 -g 

 I20 =« 



59 



13 



7 



(30 ^S 

 l40 =5 



11 00 



02 



2 



(20 ° 

 l30 ^ 







55 



81 57 



(10 



loo 



1 



43 



52 



(30 



lio 



2 



43 



45 



(20 

 (40 



3 



36 



41 



(20 



I20 



T = + 190.5, B = 30^072 at 30° Index | + J ^J" +J' 50" +1' 40" +1' 40" J ^^^.^,,^ ^ ^, g^,, ^ 

 r = — 1'08".7 r,= — r 12".3 



g = + 380 39' 35". 3 a = ISi- 32" 13'. 7 



Sidereal time at mean noon, 13 14 06.1 



