Dictionary of Nomenclature of Celestial Objects

IPS images of DR 21. Extremely red objects are seen.
in source:DR 21
Ref:=2004ApJS..154..333M
byMARSTON A.P. , REACH W.T., NORIEGA-CRESPO A., RHO J., SMITH H.A., MELNICK G., FAZIO G., RIEKE G., CAREY S., REBULL L., MUZEROLLE J., EGAMI E., WATSON D.M., PIPHER J.L., LATTER W.B., STAPELFELDT K.
 Astrophys. J., Suppl. Ser., 154, 333-338 (2004)
  DR 21: a Major star formation site revealed by Spitzer.
oIRAS 20372+4209 not identified (not in SIMBAD).
oTable 1, text: <[MRN2004b] ERO Nw> (Nos 1-4, 4n, 4c, 4s).

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