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VI.
Periodic Comets of Short Periods.
65
acquired a remarkable fan-like form, but the precise character of the exterior outline differed a good deal according to the power of the telescope employed.
Mr. Carpenter said[1]:—
"I was able to make out a considerable extension of the illumination beyond the bright fan-shaped condensation, but on one side (the spreading
Fig. 32.
ENCKE'S COMET: NOV. 9, 1871. (J. Carpenter.)
side) only. On the opposite side this diffused illumination appeared to be cut off nearly in a straight line immediately behind (following) the apex of the fan."
- ↑ Month. Not., vol. xxxii, p. 26. Nov. 1871.
