90 



1847. 



June 29 

 30 



July 1 

 2 

 3 

 4 

 5 



Y 



8 



9 



10 



11 



12 



13 



14 



15 



16 



17 



18 



19 



20 



21 



22 



23 



24 



25 



26 



27 



28 



29 



30 



31 



1 



2 



3 



4 



5 



6 



7 



Aug:, 



9 

 10 



11 



12 

 13 

 14 



SerricJc's Auroral Hegister. 



Ov't and rainy. Obs. impos. to 9^^'^, and probably all night. 



Clear. Moon. No A.B. seen to 10''. 



Clear. No A.B. to 10''. Moon rose about 10". 



Ov't. Obs. impos. to 11'' at least. 



Clear, but somewhat hazy. No A.B. to 10^'\ 



Clear. No A.B. to 10". 



Clear, but hazy about horizon. 



Very hazy. No A.B. seen to 10''. Obs. much impaired. 



Very hazy. No A.B. seen to 10'', but obs. nearly impos. 



Very hazy. No A.B. seen to 10'', but obs. nearly impos. 



Very hazy.* (293) 



Ov't to 10". (?) 



Mostly ov't, but nearly clear a short time, about 9f".* (294) 



Muchcl'ded; oc'l cl'r spaces : no A.B. seento 10|^" ; obs. nec'y imp. 



M'y ov't : obs. al't impos. to 10", and p. all n't : no A.B. seen to 10". 



Clear. No A.B. to 10". 



Mostly clear. No A.B. to 10^". 



Mostly clear. No A.B. to 10|". 



Hazy. No A.B. to 10". 



Hazy. Moon begins to interfere. No A.B. to 9f". 



Clear. Moon. No A.B. seen to 9" 50°'. 



Clear. Moon. No A.B. seen to 10^". 



Ov't. Obs. impos. to 10". 



Ov't and raining. Obs. impos. to 10" at least.* 



Mostly cl'r ; many cirri embarrass obs. : moon : no A.B. seen to 10". 



Same as 23d. Sky less favorable. Moon. No A.B. seen to 10". 



Ov't. Obs. impos. to 9^", and doubtless all night. 



Ov't. Obs. impos. to 10", and doubtless much later. 



Ov't. Obs. impos. to 9^", and doubtless later. 



Clear. Moon. No A.B. to 9" 50'". 



Clear. Moon. No A.B. seen ; poor obs. [No A.B. to 11". (F. B.)] 



Ov't and rainy. Obs. impos. to 9", and doubtless all night. 



Clear. No A.B. to 10". 



Ov't. Obs. impos. to 9", and probably all night. 



Mostly clear. No A.B. to 10". 



Ov't to about 9". Between 9" and 10" clearing off.* 



Clear. A.B. all the evening.* (295)] 



Ov't. Obs. imjjos. to 9", and doubtless all night. 



Ov't and rainy. Obs. impos. to 10", and doubtless all night. 



Ov't and rainy. Obs. impos. to 9", and doubtless all night. 



Ov't and rainy. Obs. impos. to 9", and doubtless all night. 



Ov't and drizzling all night. Obs. impos. 



Ov't. Obs. impos. to 10", and all night. 



Clear chiefly to 9|^" : no A.B. : after lo" ov't to 11", and d's all n't. 



Clear. No A.B. to 9". Ov't at 3" a. m. of 13th. 



Mostly ov't. Obs. nearly or quite impos. to 10". No A.B. seen. 



Mostly clear; some clouds about N. horizon. No A.B. to 11". 



July 9th. — Auroral bow, about 9h 30m for fifteen minutes. No traces of A.B. in north. 



July lltli. — Slight A.B. then visible, embarrassed by clouds. A few streamers reaching up^ 

 about 25°, and a little general illumination. At lOh overcast. 



July 22d. — Suspected A.B., as the N. seemed lighter than the sky generally. Perhaps the 

 clouds there thinner. 



Aug. 3d.— By 9h 30m beautifully clear. No A.B. to 9h 45m. [At lOh 30ra suspected slight A.B^ 

 east of north. (F. B.)] 



Aug. 4th. — Numerous bows or arches, not very well defined, in N. heavens, of 90° and more 

 amplitude. 



