Dictionary of Nomenclature of Celestial Objects
(Last update: 02-Nov-2023)

Result of query: info cati Cl* NGC 1817 HH$

Details on Acronym:   Cl* NGC 1817 HH
  
Cl* NGC 1817 HH (Harris+Harris)
 Write:<<Cl* NGC 1817 HH  NNNN # 4 digits>>
 N:  86+126+147
Object:*inCl
   Rem:In the format 'NNNN' (always a 4 digits format), the first
   digit stands for rings Nos 1 to 3.
   Ref:=1977AJ.....82..612H
     byHARRIS G.L.H.
, HARRIS W.E.
 Astron. J., 82, 612-619 (1977)

    The Hyades-age cluster NGC 1817.

oFig.1, Table III: <Cl* NGC 1817 HH NNNN> (Nos 1001-1086, 2001-2126,    3001-3147).