Dictionary of Nomenclature of Celestial Objects

 
  The C-M diagram of the globular cluster M 55.
oTable 1: <NGC 6809 NN> (Nos 1-21). Tables 1, 2: <NGC 6809 NNNN> N=510, always 4 digits.
Auth.:LEE S.W.
Ref:=1977A&AS...29....1L
byLEE S.W.
 Astron. Astrophys., Suppl. Ser., 29, 1-8 (1977)
  The C-M diagram of the globular cluster M 55.
oTable 1: <NGC 6809 NN> (Nos 1-21). Tables 1, 2: <NGC 6809 NNNN> N=510, always 4 digits.

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