-^fV-,, 



PROGRESSIVE SPECTRA OF NOVA AQUIL^, 1918. 



•t 10 

 rJ — 



HI (Tl O 



S 1 ^t" 



Stonyhurst College Observatory. 



4*40 H^ ^jl 



11.50 p.m. 



Nov. 1 1 , 

 1910 



I 1.5 p.m. 



1 1. 5 p.m. 



I 2.20 p.m. 



1 1.22 p.m. 



10.45 P-'"- 



[613 



