Registry · deep sky

IC 399

EmissionG SIMBAD EmG 77 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: 05h 01m 44.06s
Declination: −04° 17′ 19.3″
Galactic l, b: 203.76, -26.29
Magnitude V: 14.8
Redshift z: 0.013311
Radial velocity: 3,963.9 km/s
Angular size: 0.313′ × 0.295′

Also known as

11 identifiers

2MASX J05014410-04171946dFGS gJ050144.1-041720Gaia DR3 3212843589919604992HCG 31gIC 399Kiso A-0974 10LEDA 16582[MI94] Im 30Mrk 1090NVSS J050143-041721SDSS J050144.08-041719.2

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
HCG 31f2	PartofG	78.15″	—
HCG 31f	AGN Candidate	82.97″	—
HCG 31f1	PartofG	86.59″	—
QORG J050137.6-041557	PartofG	128″	—
HCG 31e	Galaxy	128.1″	—
SDSS J050138.30-041533.9	Galaxy	136.1″	—
HCG 31a1	Galaxy	142.4″	—
NGC 1741	EmissionG	143.2″	—
LEDA 16573	Galaxy	144.8″	—
HCG 31	Compact Gr G	156.4″	—
NGC 1741B	Galaxy	157″	—

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/ic-399 · Registry entry updated 2026-08-14.