 | 1861 - 376 pàgines
...curved tail as to have been recognised at only three observatories — those of Poulkova, Gottingen, and Cambridge, US — while with the present comet...by a dark cleft just above their intersection. The well-defined margin of the principal ray admitted of a very exact delineation, even as far as a. Ophiuchi,... | |
 | Harvard University. Board of Overseers - 1860 - 220 pàgines
...more than a wisp-like appendage. " On further scrutiny, with the aid of an operaglass, two sharply-cut and very narrow dark channels, bounding the principal...by a dark cleft just above their intersection. The well-defined margin of the principal ray admitted of a very exact delineation, even as far as a Ophiuchi,... | |
 | Harvard university observ - 1860 - 216 pàgines
...more than a wisp-like appendage. * On further scrutiny, with the aid of an operaglass, two sharply-cut and very narrow dark channels, bounding the principal...by a dark cleft just above their intersection. The well-defined margin of the principal ray admitted of a very exact delineation, even as far as a Ophiuchi,... | |
 | 1861 - 504 pàgines
...the curved tail as to have been recognized at only three observatories, those of Poulkova, Gottingen, and Cambridge, US — while with the present comet,...by a dark cleft just above their intersection. The well-defined margin of the principal ray admitted of a very exact delineation, even as far as a Ophiuchi,... | |
 | 1861 - 368 pàgines
...curved tail as to have been recognised at only three observatories — those of Poulkova,Gbttingen,and Cambridge, US — while with the present comet the...by a dark cleft just above their intersection. The well-defined margin of the principal ray admitted of a very exact delineation, even as far as « Ophiuchi,... | |
 | 1861 - 734 pàgines
...principal ray, could be traced for ten or fifteen degrees from the nucleus ; while outside of thorn, on either side, were two additional faint rays. The...by a dark cleft just above their intersection. The well-defined margin of the principal ray admitted of a very exact delineation, even as far as « Ophiuchi,... | |
 | 1861 - 534 pàgines
...while outside of them, on either side, were two additional faint raya. The whole issue of nehulous matter from the nucleus far into the tail was curiously...by a dark cleft just above their intersection. The well-defined margin of the principal ray admitted of a. very exact delineation, even as far as. a Uphiuchi,... | |
 | 1862 - 448 pàgines
...more than a wisp-like appendage. " On further scrutiny, with the aid of an opera-glass, two sharplycut and very narrow dark channels, bounding the principal...a dark cleft just above their intersection. " The telescopic phenomena, though interesting, did not present equally strongly-defined features with those... | |
 | 1862 - 446 pàgines
...bounding the principal ray, '"uld be traced for ten or fifteen degrees from the nucleus ; while -side of them, on either side, were two additional faint...a dark cleft just above their intersection. " The telescopic phenomena, though interesting, did not present equally strongly-defined features with those... | |
 | 1862 - 448 pàgines
...from the nucleus ; while outside of them, on cither side, were two additional faint rays. The wliole issue of nebulous matter from the nucleus far into...a dark cleft just above their intersection. " The telescopic phenomena, though interesting, did not present equally strongly-defined features with those... | |
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On further scrutiny with the aid of an opera-glass, two sharply cut and very narrow dark channels, bounding the principal ray, could be traced for ten or fifteen degrees from the nucleus ; while outside of them, on either side, were two additional faint... 
