On the late Exceptional Season. 



61 







ai 





Year. 



Month. 





Auroras. 



1870 



Aug. 



19 

 20 









21 

 22 

 23 



Shortly before 7 p.m. some fine streamers visible. 











Sept. 



4 

 5 

 6 



7 

 19 















20 



Visible in early evening until after 8 p.m., but 







21 



not brilliant. 

 Visible from 9 p.m. ; most brilliant at 11 p.m. 







24 



On the evenings of the 24th, 25th, and 26th, a very fine 

 display of the Aurora Borealis was observed by 

 Prof. Neumayer in Germany (Palatinate). 



Traces only visible. 







25 









26 









27 



Traces only visible in S.E. 







30 







Oct. 



1 









15 



Streamers 30 deg. to 40 cleg, liigb at 10.30 p.m. 







21 









24 









25 



Shortly after midnight a beautiful display, 







26 



though cloudy. 

 Visible night and evening ; fine red streamers, 





Nov. 



9 



though bright moonlight. 







10 



Auroral light visible, but no streamers. 







15 



Visible for a short time at 9.30 p.m. 







17 



„ „ duriug the evening. 







18 



„ at 9.20 p.m. 

 fine streamers. 







19 









20 



At 11 p.m. traces visible ; at 10 minutes pas^ 

 midnight on 21st a fine display, with streamers 

 extending from S. to S.W. 



;^OTE.— Mr. Gilbert, the journalist, reports to have seen a 

 splendid Aurora shortly after 4 a.m. on the Slat, the 

 whole extent of the southern sky from the horizon 

 upward beinfj illuminated by a reddish light, and 

 terminating in something like a corona, but no 

 streamers at all were visible. The whole appearance 

 vanished instantaneously when a severe clap of 

 thunder occurred at about 20 minutes to 5 a.m. 







21 









22 



Visible between 11 and midnight. 



