Registry · deep sky

NGC 6618

OpenCluster SIMBAD OpC 1,708 papers

harvesting The full record is being pulled from the archives right now — measurement tables, the Gaia row, catalogue photometry. This page will fill itself in.

Right ascension: 18h 20m 47.00s
Declination: −16° 10′ 18.0″
Galactic l, b: 15.095, -0.7454
Parallax: 0.6 mas
Redshift z: -0.00014868
Radial velocity: -44.577 km/s
Proper motion: 1.51, -1.74 mas/yr
Angular size: 1.633′ × 1.633′

Also known as

30 identifiers

1E 1818.0-1610BD-16 4820C 1817-162CTB 52GCRV 10811GRS G015.00 -00.70HD 168520LBN 015.28-00.67LBN 60LMH 21M 17MM 20NGC 6618NRL 4OCISM 9OCl 44OCl 44.0[PT56] 41Villafranca O-009W 38WEB 15351[BDB2003] G015.05-00.69Checkmark Nebula[KC2019] Theia 846[KPR2004b] 444[KPS2012] MWSC 2896Lobster NebulaNGC 6618 Horseshoeomega NebulaSwan Nebula

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
BGPS G015.097-00.734	smmRad	41.68″	—
M 17 North	MolCld	109.7″	—
Cl* NGC 6618 B 47	Star	127.6″	—
AGAL G015.111-00.712	YSO	131.7″	—
2MASS J18203626-1610550	YSO	159.1″	14.57
NGC 6618 414	YSO	168.2″	13.22
BD-16 4818	YSO	170.1″	10.03
NGC 6618 337	YSO	180.3″	11.29
Cl* NGC 6618 HCS 12556	YSO	194.5″	19.5
2MASS J18203306-1611215	YSO	210.6″	—
Cl* NGC 6618 B 152	YSO	222.8″	—

Provenance

where this card came from

Archive	Read at (UTC)	Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/ngc-6618 · Registry entry updated 2026-08-14.