Prof. Lyman on the Aurora of 1859. 393 
At 9h 22m alt. 73°, fine corona, long streamers. 
9 24 30% “ 68° 30’, bright wisp near corona. C. not definite. 
9 26 30 “ 72 15, good corona. 
9 28 “ 43 15, 
9 30 40 “ 73 0, coronal cloud with rays from it. 
9 33 “ 73 40, definite, dark center of grand corona. 
9 34 30 “ 74 30, very fine and definite. 
9 36 30 “ 75 15, C. not definite, colored streamers, splendid 
canopy. 
38 “ 72 465, tints brilliant. 
40 “74 0, C. definite, bright red, whole display mag- 
nificent. 
~T 
wo 
49 45, display much less brilliant. —- 
52 to 58, brilliant flashes and pulsations, chiefly towards corona. 
9 
9 
9 41 30 “ 74 0, splendid. 
9 
9 . . 
9 53 10, ashooting star appeared about 15° above Polaris, moving 
rapidly towards the west over an arc of 15° or 20°. 
9 58 Auroral light diffused, faint—colored flashes. 
10 0 very little except in north. 
Flashes and pulsations continued with varying brilliancy until 
er 11 o’clock, and according to the testimony of o 
the display continued through the night, at times with much 
splendor. 
The mean of the above altitudes of the corona is about 78° 20’. 
The dip at New Haven is about 73° 50’. 
A similar display of rosy streamers and waving light, though 
ili pt r 
7 
served about daybreak by Prof. Forrest Shepherd, whose atten- 
tion was particularly attracted by the rapid flashes and pulsations 
overhead, which seemed to him to indicate a very low elevation 
of the phenomena above the earth. 
The display was continued on the evening of the same day, 
being most brilliant between 9 and 10 o’clock when the whole 
northern heavens to the zenith, and often beyond, was filled with 
upward flashes and pulsations here and there, chiefly of whitish 
light, and with but few streamers. | i. 
n Sunday evening Sept. 4th, there were indications of a 
bright Aurora, though a clouded sky prevented it being 
particularly observe : 
Auroral indications were also noticed on some other evenings 
of the preceding week. ; 
Be ey no magnetic observations were made at New 
ven. | 
_ The time piece used in noting the phenomena of the 28th was 
compared the same evening with the astronomical clock of the 
writer's observatory, and found to be only 5 seconds fast of 
. H. mean time. 
SECOND SERIES, Vor. XXVIII, No. 84.—NOV., 1659. 
50 
