A REGISTER 



AURORA BOREALIS 



AT NEW HAVEN, CONN., 



FROM MARCH, 1837, TO DECEMBER, 1853. 

 BY EDWARD C. HERRICK, 



LIBRARIAN OF TALE COLLEGE. 



1837. 



Mar. 29 



30 



31 



Apr. 1 



2 



3 



4 



5 



10 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 

 19 

 20 

 21 

 22 

 23 

 24 

 25 

 26 

 27 

 28 

 29 

 30 



Clear : a plain A.B. from end of twil't : not very conspicuous. (1) 

 Clear. 



Raining moderately at 10''. Began to rain at 7*^ 12"". 

 Clear. No A.B. seen. 

 Fair. No A.B. 

 Clear. No A.B. 



Ov't at 6"^. Clouds breaking up at lO*". No A.B. seen. 

 Ov't, but breaking up at 6''. Clear at 10". No A.B. 

 Clear. A.B. from end of twilight. (2) 



Ov't : began to rain about 8". Obs. imjDOS. 

 Ov't at 10". Obs. impos. 

 Cloudy. 



Clear. No A.B. seen. 

 Clear. No A.B. 

 Clear. No A.B. 



Nearly ov't at 10". Obs. impos., or nearly. 

 Broken clouds. No A.B. seen, but obs. impaired. 

 Nearly clear. No A.B. seen. 

 Ov't. Occasional rain. 

 Nearly clear. No A.B. seen. 

 Broken cumuli. No A.B. seen. 

 Partly ov't. Clouds broken. 

 Ov't. A little rain during the evening. 



Nearly clear. Red aurora, not very splendid. (3) 



Clear at 10". No A.B. 



Raining moderately. A few flakes of snow about 7". 

 Hazy. 



Mostly ov't at 7". Thinly ov't at 10". Hazy. 

 Ov't. 



Mostly clear, hazy. 

 Clear. Hazy. 

 Clear. Hazy in horizon. 

 Began to rain about 7". 

 2 



