60 









OBSERVATION EPHEMERIS. 





In R. A., (arc ) 



In Declination. 



No. 



Date. 



Observatory. 



Instrument. 



Star. 



A a 



Mea- 

 sures. 



A 5 



Mea- 

 sures. 



1145 

 1146 

 1147 

 1148 

 1149 

 1150 

 1151 

 1152 

 1153 

 1154 

 1155 

 1156 



1847. Dec. 17 



18 

 19 

 24 

 25 



1848. Jan. 9 



11 

 12 

 15 

 16 

 27 



Hamburgh 

 Konigsberg 

 Gustau 

 Konigsberg 

 Gustau 

 Konigsberg 

 Hamburgh 

 Durham 

 Cambridge, E. 

 u 



Hamburgh 

 Cambridge 



Meridian 



Equatorial 



Meridian 



Equatorial 



Heliometer 



Equatorial 



a 



a 



ii 



li 



a 



flSfk 



kSrk 



f 

 f 



f 



II 



— 1.36 



3 

 3 



3 

 4 

 6 



3 



II 



— 3.63 

 + 1.86 



— 2.25 

 + 1.31 



— 4.42 

 + 0.97 



+ 2.57 



— 2.47 



— 0.35 

 + 0.90 



3 

 3 



3 



4 

 6 



3 



+ 4.56 



— 2.68 

 + 2.09 



— 0.56 

 + 2.05 

 + 1.34 



— 0.30 

 + 3.47 



+ 3.18 



This list includes all the standard observations of Neptune, to the end of Jan- 

 uary, 1848, as far as received. 



It is proposed to resume the series at a future occasion. 



Yours, respectfully, 



SEARS C. WALKER. 

 Washington, Jpril 10, 1848. 



