Details on Acronym: NGC 6618
NGC 6618 Write:<<NGC 6618 NNN>> N: 702 Object:*inCl Ref:=1976PASJ...28...35O byOGURA K. , ISHIDA K. Publ. Astron. Soc. Jap., 28, 35-60 (1976) UBV photometry of the stars in the fields of emission nebulae. II. M 17. oTable 2: <NGC 6618 NNN> (Nos 1-702)
Details on Acronym: Cl* NGC 6618 OI
Cl* NGC 6618 OI (Ogura+Ishida) ====>Equivalent to: NGC 6618
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