Dictionary of Nomenclature of Celestial Objects

Bryce+, 1998
Details on Acronym:   [MCB98]
  
[MCB98] 
Write:<<[MCB98] NN>>
N: 50
Object:Knot  (SIMBAD class: PartofCloud = Part of Cloud)
Note:N=50 cometary knots in the Helix nebula.
in source:Helix Nebula = NGC 7293
Ref:=1998MNRAS.294..201M
byMEABURN J. , CLAYTON C.A., BRYCE M., WALSH J.R., HOLLOWAY A.J., STEFFEN W.
 Mon. Not. R. Astron. Soc., 294, 201-223 (1998)
  The nature of the cometary knots in the Helix planetary nebula (NGC 7293).
oCentral star = [HBC92] 222654.7-200537.
oTable 2: <[MCB98] NN> (Nos 1-50).
Originof the Acronym: S = Created by Simbad, the CDS Database