Knoidedi/e. 



% 



THE GREAT GROUP OF SUNSPOTS of September 3rd— 15th, 1898. 



As Photographed at the Eoval Observatory, tTreenwich. 



1. Taken 1898, September, Sd. lOh. 29m. 19s. Greenwich Civil Time. 



2. ,. ,. 9d. 14h. 5ym. 2s. 



3. „ „ lOd. lOh. -lOm. 6s. 



{^Reproduced by permission of the Astronomer Soi/al.) 



