102 Mr . Herschei/s and Mr. South’s observations of the apparent 
No. LXXX. R. A. 7 h 9 m ; Decl. 22 0 18' N. 
8 Geminorum ; Struve 259 ; II 
Double ; excessively unequal ; large white ; 
star exquisitively defined, otherwise the 
be exceedingly difficult ; 3d and 12th or 1 
Position. 
75 - 3 ° ) 
7 5- I0 l c 
74.48 l S 
74-I9J 
Feb. 21, 1822. 
Five-feet Equatorial. 
sp 
Position =74 °. 35 'sp 
Distance = 7".248 
. 27 ; 
small blue ; the 
measures would 
5th magnitudes. 
Distance. 
Parts. 
!2. 7} 
5I - si 
>.5. o C 
’■ 3 - 8 J 
4 . 3 ) 
4 - 
,. 8 f 
3 - 3 J 
25. 
23. 
24. 
24. 
23- 
23 - 
Mean — 74-35 
Mean rs 23.55 
Z — — 0.60 
22.95 
Other measures of this star are, 
1781. 9 Position 85° 51' sp ; H. Catalogue of 1782. 
1802.75 73 6 sp ; H. Account of changes, &c. 
mean of 3 measures in 1802 and 1804. 
1821.00 73 12 sp\ Struve; Dor. Obs. iii. Distance 
— 7".4i5 from A decl. =^7". 10 (Observatio Egregie certa). 
The extreme minuteness of the small star and its proximity 
to the large one, is obviously the reason of so discordant a 
series of observations. It is one of the most difficult stars in 
the heavens. 
