Smithsonian Report. 1940. — McMath 



Plate 6 



QUASI-ERUPTIVE PROMINENCE OF AUGUST 24 AND 25. 1939. CA+ SPECTROH ELIO- 



GRAMS. 



.1, .\ugust 24, 15h;n.38"'; B, August 24, 2»>':i7AO"': C. .\ususl 2.i. lHh41.46"': D, .Vugust 25, 17i'18.66'": E, August 

 25, I8''49.42"> F, August 25, 2|i'7.02"', (5. C. T. 



