Registry · deep sky

HCG 57

Compact Gr G SIMBAD CGG 88 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: 11h 37m 50.50s
Declination: +21° 59′ 06.0″
Galactic l, b: 226.02, 72.51
Magnitude V: 15.4
Redshift z: 0.0304
Radial velocity: 8,975.2 km/s
Angular size: 5.5′ × 5.5′

Also known as

12 identifiers

APG 320BAX 174.4605+21.9850HCG 57RSCG 43WBB N79-278WBL 343XCLASS 1937XMMU J113753.5+215837[BDG98] J113753.9+215853Copeland Septet[FK2002] 142[RPG97] 145

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
NGC 3750	LINER	41.88″	—
NGC 3753	AGN	47.82″	—
NGC 3754	LINER	61.57″	—
2MASX J11375047+2200450	GtowardsCl	99.17″	—
SN 2002ar	Supernova	127.2″	16.5
NGC 3746	GtowardsGroup	130.9″	—
SN 2005ba	Supernova	144.1″	17.5
NGC 3748	GtowardsGroup	149.5″	—
NGC 3745	GtowardsCl	155.5″	—
NGC 3751	GtowardsCl	180.8″	—
SDSS J113736.70+215805.9	QSO	201.1″	—

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/hcg-57 · Registry entry updated 2026-08-14.