Registry · deep sky

ACO 2399

ClG SIMBAD ClG 197 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: 21h 57m 19.01s
Declination: −07° 50′ 57.5″
Galactic l, b: 49.729, -44.55
Redshift z: 0.0579
Radial velocity: 16,856 km/s
Angular size: 12.08′ × 12.08′

Also known as

18 identifiers

ACO 2399ACT-CL J2157.5-0749BAX 329.3856-07.7945ClG 2154.9-0802[F81] 407FR 110MCXC J2157.4-0747RXC J2157.4-0747RXGCC 870[S85] 439XCLASS 2129[AWK2020] 186[PBR2005] RX388SDSS-C4 2003SDSS-C4-DR3 2004[SPD2011] 2828[YIL2019] Cluster2157-07[YSS2008] 72

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SN 2002ep	Supernova	47.93″	18.7
2MASX J21572200-0751253	LINER	51.9″	16.89
LEDA 1011892	LINER	115.8″	16.23
SDSS J215717.30-074849.6	LINER	130.4″	17.2
2MASX J21572142-0748473	LINER	135.5″	15.81
2MASX J21571018-0748573	GtowardsCl	178.7″	—
WINGS J215724.28-074756.0	GtowardsCl	197.4″	17.2
LEDA 1011358	GtowardsCl	208″	—
2MASX J21572764-0748123	GtowardsCl	208.7″	16.24
SDSS J215725.68-074736.7	LINER	224″	17.32
WINGS J215721.88-074715.1	GtowardsCl	226.1″	—

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/aco-2399 · Registry entry updated 2026-08-14.