OBSERVATIONS 
Or 
NEBULA AND CLUSTERS OF STARS 
MADE WITH THE 
SIX-FOOT AND THREE-FOOT REFLECTORS 
BIRR CASTLE, 
FROM THE YEAR 1848 UP TO THE YEAR 1878. 
BY 
THE RIGHT HON. THE EARL OF ROSSE, LL.D., D.C.L., F.RS. 
Wit Puates I. ta VI. 
[FROM THE SCIENTIFIC TRANSACTIONS OF THE ROYAL DUBLIN SOCIETY. VOL. 2. SER, II. 
DUBLIN: 
PUBLISHED BY THE ROYAL DUBLIN SOCIETY. 
PRINTED BY ALEX. THOM & CO,, 87, 88, & 89, ABBEY-STREET. 
THE QUEEN’S PRINTING OFFICE, 
FOR HER MAJESTY’S STATIONERY OFFICE. 
1880. 
