Release 11.12 ("Hergest Ridge")


Gclusters :: Bibliographic item "gc421"

Article ID: gc421
AuthorHarrington, M. W.
TitleOn the structure of M13 Herculis
JournalAstronomical Journal, vol. 7, iss. 164, p. 156-157
Year of publication1886 (on gclusters from 2013-12-06 15:38:48 )
AbstractThe great cluster in Hercules has been frequently figured and always, with one exception, as a globular mass of stars much condensed in the center. Lord ROSSE's observers alone found it crossed by three dark rifts, as shown in Figure 1, which is a copy of their drawing, the position only being changed in order to bring the notable hooks above. Last spring I spent some time in studying this cluster with the aid of Mr. H. C. MARKHAM, an artist whose sight I have found to be remarkably keen...
TagsNGC 6205 , history

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