Registry · deep sky

NGC 6991

OpenCluster SIMBAD OpC 82 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: 20h 54m 29.00s
Declination: +47° 23′ 60.0″
Galactic l, b: 87.35, 1.578
Parallax: 1.765 mas
Redshift z: -4.533e-05
Radial velocity: -13.59 km/s
Proper motion: 5.593, 8.509 mas/yr
Angular size: 66.6′ × 66.6′

Also known as

3 identifiers

NGC 6991[KC2019] Theia 1231[KPR2004b] 494

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Gaia DR2 2166853851742225280	Star	41.43″	—
Gaia DR3 2166854191029769984	WhiteDwarf	117.7″	—
TYC 3579-248-1	Star	160.1″	11.68
Gaia DR2 2166854916894080640	Star	175″	—
UCAC4 688-089641	SB*	190.1″	12.33
TYC 3579-3861-1	Star	202.2″	9.87
TYC 3579-1476-1	Star	205.8″	11.37
TYC 3579-801-1	Star	207.2″	11.15
UCAC4 687-089022	Star	228.8″	12.51
[KPS2012] MWSC 3426	MouvGroup	238.2″	—
CSS2 62	S*	242.4″	—

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-6991 · Registry entry updated 2026-08-14.