Registry · deep sky

NGC 257

GtowardsGroup SIMBAD GiG 96 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: 00h 48m 01.51s
Declination: +08° 17′ 49.5″
Galactic l, b: 121.48, -54.57
Redshift z: 0.017706
Radial velocity: 5,261 km/s
Angular size: 1.76′ × 1.152′

Also known as

16 identifiers

2MASX J00480150+0817494Gaia DR2 2557655949641435904Gaia DR3 2557655949640915584IRAS 00454+0801IRAS F00454+0801LEDA 2818[M98c] 004525.9+080127NGC 257PSCz Q00454+0801UGC 493UZC J004801.6+081748Z 0045.5+0803Z 410-6[CHM2007] LDC 46 J004801.50+0817494[LHG93] F0045+0801MCG+01-03-003

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SDSS J004739.22+081426.3	QSO	388.3″	—
SDSS J004810.58+081054.4	QSO	436.5″	—
SDSS J004759.57+082553.5	QSO	484.9″	—
PMN J0048+0810	Radio	531.4″	—

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-257 · Registry entry updated 2026-08-14.