Academy of Sciences.] 

 No. 2.] 



(517) 



INDIVIDUAL DETERMINATIONS. 

 Lalande 43751, 22 h 19 m , +38° 4'. 



31 



+12.70 c+ 8.15 m- 1.94 x=+ 0.0301mm. c- -0.0009 mm. 

 +140.36 +13.16 =+ .6703 m=+ .00491. 



+ 7.50 =+ .0599 «■==- .00086. 



Probable error (or unit weight, ± .0011 mm. =±".015. 

 Annual proper motion in R. A., + ".261 ±".005. 

 Relative parallax, - ".013 ±".006. 



No other determination of this parallax has been published 

 the proper motion. 



(518) and (519) 



Porter gives +0".253 for 

 Fedorenko 4220 and 4222, 22° 34 m , +72° 2'. 



Plate 4070 has two exposures only. 



