293 



Gottingen 

 Mean Time. 



1883. 

 February, 

 b. m. 



A.M. 



16th 3 33 

 — 4 28 



Local 

 Mean Time. 



II. F. 



V.F. 



1883. 

 February, 

 d. h. m. 



P.M. 



15 7 10 



— 8 5 



1 28 



A.M. 



17th 7 28 



8 28 



— 55 



P.M. 



— 11 5 



A.M. 



17 12 5 



Bright streamers (1) in N.N.W., from 10"" to 20" alt., of a 



greenish colour. 

 Bright (1 to 2) diffused and irregular arch with ."Streamers, 



slightly prismatic in E.S.E., where brightest, from 



E.S.E. through zenith to N.N.W. 

 Faint arch (-3) from E.S.E. to N.N. W., 30- alt. 

 Diffused masses of light (1) in and S. of zenith - 



Band of light through zenith to about 20° S.E. and N.W. 



of zenith (1). 

 Faint patch in N.W. . - . - . 



Arch (1) from N.N.W. through zenith to E.S.E. horizon 



Arch (1) from S.S.E. to W.S.W., 20° alt. Irregular 

 aurora (1), striated, and in rapid motion, from E.S.E. 

 through zenith and moving towards N.W. 



Arch (-5) from N.W. to S.E., 30° S. of zenith, and a 

 streak {■ 5) from E.S.E. to zenith. 



Arch (1) from S.E. just above the moon to N.W. horizon 



Irregular arch (1) from N.N.W., just above horizon to 

 E.S.E., a mass of aurora of a greenish colour at the 

 N.N.W. end of arcli, and from it another arch (1"5), 

 slightly prismatic, through zenith towards S.E. (De- 

 crease of horizontal force.) 

 Mass of aurora (1) from N. to N.E., from 2° to 10° alt. - 

 Irregular aurora from N.N.W. through zenith to about 

 40° alt. in E.S.E., and about 20° wide in zenith. 



Very faint (-2) diffused arch from E. horizon through 



zenith to 15° alt. S.W. 

 Bright prismatic aurora (2) from N.N.W. horizon to 



70° alt., thence descending to N.N.E. horizon. Faint 



masses of .aurora, lil;e cumulus clouds, from S. to S.W. 



( '5 ), 20° alt. (Magnetic disturbance.) 



„ „ disappeared except a faint patch 



(•3) in N.N.W., 10° alt. 



Faint streak (-3) in E.S.E., 25° alt. 



Bright irregular aurora (2 to 3) with streamers, from 

 E.S.E. to zenith, quivering, and in rapid motion, 

 prismatic, and drifting to N.N.W. (Magnetic dis- 

 turbance.) 



,, ,, fainter (1), and the whole sky 



from E.S.E. to zenith and N.N.W. more or less 

 covered with aurora. 



Band (1) from Spica through Leo to JST.W. 



Arch ( • 5) from E.S.E. to S.W., 30° S. of zenith - 



Two parallel arches (-5) about 2° apart, from N.N.W. 

 through zenith to E.S.E. 



Irregular arch, striated, (1) from S.E. to S.S.W., 15° alt, 

 pulsating towards zenith. 



The whole sky from E.S.E. to S.W. and at zenith 

 covered with very bright, prisn-.Jitic, curtain-shaped 

 aurora, in rapid motion and pulsating in all directions, 

 (1 to 3), brightest from E.S.E. to S. (1), in zenith. 



Corona in zenith. (Much magnetic disturbance) 



278 

 283 

 262 



367 

 356 

 367 



1297 

 1199 

 1218 



422 



314 



718 



86 

 54 

 6G 



345 

 324 

 *389 



1000 



200 



Off scale. 



p P 



