262 



KNOWLEDGE. 



July, 1913. 



Figure 268. Figure 269. 



Photographed from Store Korsnes. Photographed from Bossekop. 



Aurora Band across the Great Bear, March 29th, 1913, 10 h 15™. 



Fro/n a photograph 



Figure 270. Nebula 9 Ophiuchi. 

 Taken at the Mount Wilson Observatory April 5th, 1905, with an exposure of 4 h 30 n 

 Position of the Nebula R.A. 16 h 20 m . Declination -23°. 



by E. E. Ba) nard. 



