and positions of 36 double and triple stars, &c. 34 1 



No. XVIII. R. A. 15^^ eS"- ; Decl. 11° 9' N. 



S Serpentis ; I. 42 ; H. and S. 205. 



Double ; 8th and 9th magnitudes. 



Passy ; April 3, 1825 ; Seven-feet Equatorial. 



Position = 74° s' sp 7 Obs. i DifF. rr 2** 22' ) Unsteady, and ill 

 Distance = 3".287 5 Obs. J Diff. = o".3845 defined. 



Observed with 413, when 20 minutes east of the meridian. 



Passy ; June 12, 1825 ; Seven-feet Equatorial. 



8th and 9th magnitudes. 



Position = 70° 41' sp | 7 Obs. ) DifF.=3° 4'. Rather diiEcult. 



Observed on the meridian ; but the stars are so extremely unsteady, that to obtain 



measures of distance is impracticable. 



Passy ; June 13, 1825 ; Seven-feet Equatorial. 



8 th and 9th magnitudes. 



Position = 68° 32' sp I 7 Obs. 

 Distance = 3^325 j 5 Obs. 



Observed with 327 on the meridian. Night rather favourable. 



Passy; June 14, 1825 ; Seven-feet Equatorial. 



Small, decidedly light blue. 



SI ;o°.So's} Tolerably steady. 



Position = 70° 53' sp 

 Distance = 3".39o 



7 Obs. Diff. = 0034' I With ,81. 

 5 Obs. Diff. =0.3603 



I. 



Observed on the meridian ; stars rather unsteady. 



Passy ; June 16, 1825 ; Seven-feet Equatorial. 



8th and 9th magnitudes. 



Position = 69<' 35' sp 7 Obs. 1 Diff. = z° 10' ) xxr't^u tC 

 Distance = 3".268 5 Obs. | Diff. = o".2i65 ^"" *** 



Passy ; June 19, 1825 ; Seven-feet Equatorial. 



8th and 9th magnitudes. 



Position = 69® 23' sp I 7 Obs. 

 Distance =: ^".ojz \ 5 Obs. 



211= S.?6}R^*er steady. 



Observed with 327 on the meridian. Night tolerably favourable. 



Mean Result. 



Position 69° 49' sp (35 Obs.); Epoch 1825.46. 



Distance 3^268 (25 Obs.); Epoch 1825.42. 



In taking the mean, the position observed April 3 is rejected. 



