GREAT REFRACTING TELESCOPE AT ELCHIES, IN MORAYSHIRE. 387 



tions, compared with other and various authorities, Dr Auwers' table standing 

 thus*: — 







^ PISCIUM. 





Observations. 

 Weight. 



Position. 



Distance. 



Date, 



2924 



63 55 



23-364 



1830-90 



8 



64 6 



23-740 



1834-82 



48 



63 50 



23-499 



1842-08 



8 



64 43 



24-200 



1853-82 



20 



63 16 



23-145 



1855-58 



33 



64 2 





1861-02 



20 





23-744 



1861-74 



Authority. 



Bessel. 

 Bessel. 



Schliiter. 



Peters. 



Luther. 



Auwers. 



(5.) 7 ARIETIS, R.A. l^* 45'° 58% and D. + 18° 37' 6", January 1, 1862. 



Com- 



Magni 



ponents. 



tude. 



A 





B 



... 



A 





B 





Colour. 



Position. 

 AB 356 5 



AB 356 54 



A 4-2 Very -white 



B 4-4 Very white AB 359 59 



4-5 Bright white 



Pale grey AB 359 48 (z</ 9) 



A 



4- 



B 



5 



A 





B 





A 





B 



.,. 



A 





B 



... 



A 





B 



... 



A 





B 



... 



A 



4-1 



B 



4-3 



White 

 White 



AB 358 54 (w 8) 



Full white. 

 Feiint blue. 



Yellowish white (2) 

 Yellowish white (2) 



AB 358 19 



AB 359 15 (39) 

 AB 



A 4-8 (3) Greyish white 



B 4-9(3) Slightly reddish white(3) AB 36 (w 3) 



Distance. 



Date. 



Authority 



10-17 



1779-68 



B.\ 



8-97 



1821-91 



c. 



8-63 



1830-84 



2. 



8-8 (w 9) 



1837-93 



Cycle. 





1844-9 



Sestini. 



8-7 (w 6) 1849-12 Spec. Hart. 

 1850-7 Spec. Hart. 



8-87 



1855-95 E. Luther. 



186 

 8-628 (22) 1861 



1856-68 Alta Vista. 

 Auwers. 



1-on 



1-85 I 



8-61 (w/2) 1862-73 Elchies. 



One of the oldest known of telescopic double stars ; in Magnitude, nearly 

 constant. 



* Astronomische Nachrichten, No. 1393, p. 10. 



VOL. XXIII. PART II. 



5 N 



