Observations of 500 Nebulae. 



109 







S) 



CD 



Coincidence 



Temp. C. 





Remarks on the images and state of 



ight 



Date 



&3 

 O 



of 

 Microm. 





the atmosphere 





1864 





r 



O 







74 



Dec. 24 



I 



30,172 (1) 



- 7,8 



2.3 



Strong aurora. Images excessively tremulous and 

 diffused. 



75 



Dec. 27 



II 



30,187 (1)* 

 30,952 (1)* 



' 2,8 



2 



Aurora; strong gale. Excessively tremulous and dull 

 images. Hoarfrost on the objectglass 



76 



Dec. 28 



II 



30,184 (1)* 



- 0,2 



2.3 



Very strong gale. Excessively tremulous images. 









38,403 (1)* 









1865 













77 



Jan. 1 



II 



38,407 (2)* 



-11,5 



2.3 



Images diffused and dull. Illumination deficient. 



78 



T R 



Jan. 5 



II 



30,182 (2)* 

 38,'399 (1)* 



- 2,5 



2.3 



Windy; moon. Images diffused and extremely tremulous. 



79 



Jan. 6 



II 



30,189 (1)* 



- 5,5 



2 



Windy; strong moon. Images unsteady. 



ou 



Jan. 7 



II 



30,954 (1)* 



- 5,7 



2.3 



Windy; strong moon. Bad and tremulous images. 



81 



Jan. 11 



II 



30,155 (1) 



+ 1,1 



2.3 



Strong gale and moon. Images very unsteady and 













diffused. 



82 



Jan. 31 



II 



30,920 (1) 



-13,8 



2 



Images unsteady. 



83 



Efe.br. 13 



II 



30,927 (1) 



-13,5 



2 



Very unsteady and diffused images. 



84 



Febr. 14 



II 



30,92b (1) 

 30,932 (1)* 



- 5,0 



3.4 





85 ■ 



Feb?. 27 " 



II 



30,922 (1) 

 38,374 (If 



- 4,5 



1.2 



Fine and steady images. 



86 



Febr. 28 



I 



38,376 (1)* 



- 4,5 



2.3 



Variable. 



87 



March 17 



I 



30,935 (1)* 



-10,2 



2 



Images unsteady. 



88 ' 

 ( 



March 18 



I 



30,932 (1)* 



-12,5 



o 



Images unsteady. 





39,150 (1)* 







March 19 



I 



30,936 (!')* 



- 10,2 



2 



Images pretty fine and not unsteady. 



90 



March 27 



I 



30,939 (1)* 

 30,936 (1)* 



- 10,8 



3 



Excessively tremulous and diffused images. Deficient 









illumination. 



91 



March 30 



I 



OA f\ C\ O / 1 \ 



30,923 (1) 

 39,152 (1)* 

 39 1 42 (D 



- 4,6 



2 



Aurora. Pretty steady and fine images. 



92 



March 31 



I 



30,920 (1) 



— 1 8 



2.3 



fif vati it cpqIo • in fiAn T^YPiiQ-ii vpI v frfinfinlfffl ^ nil d n i tin - 



sed images. 



93 



April 1 



I 



30,923 (1) 





Q 

 O 



otrong gale ; moon ; soon clouding, i^xcessiveiy tre- 



mnlrtns nnrl difPuspfl iiYiflP'PS 



111 LAlvJ LLO ill PL UlllUOvU Ail lag vo* 



94 



April 2 



I 



30,922 (1) 





3 



Strong moon; soon clouding. Images very tremulous. 



95 



April 3 



I 



30,933 (1) 

 39,138 (1) 





2.3 



Strong moon. Images pretty and not so very unsteady. 



96 



April 15 



I 



39,134 (1) 



+ 5,5 



3 



Slight wind; soon clouding. Images very unsteady. 



97 



April 16 



I 



30,931 (1) 



+ 4,0 



2 



First twilight; then a splendid aurora and sky very 



39,134 (1) 



light. Fine and pretty steady images. Illumi- 













nation deficient. 



