Registry · deep sky

NGC 3644

Galaxy SIMBAD G 47 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 21m 32.87s
Declination: +02° 48′ 37.8″
Galactic l, b: 257.59, 57.54
Redshift z: 0.02383
Radial velocity: 7,059 km/s
Angular size: 1.275′ × 0.5934′

Also known as

14 identifiers

2MASX J11213286+0248379ECO 12190Gaia DR3 3811071167759993728IC 684LEDA 34814NGC 3644RESOLVE rs451SDSS J112132.86+024837.7SDSS J112132.87+024837.5UGC 6373UZC J112132.9+024838Z 1118.9+0305Z 39-139MCG+01-29-037

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SN 1996V	Supernova	24.7″	16.62
SDSS J112127.16+024727.2	Galaxy	111.1″	—
SDSS J112126.31+025116.0	QSO	186.3″	—
IC 683E	BrightestCG	211.8″	—
MCXC J1121.7+0249	ClG	212.1″	—
IC 683	Galaxy	247.3″	—
UCAC4 464-046568	RGB*	269.7″	13.42
SN 1996Y	Supernova	276.3″	—
Z 39-135	BrightestCG	276.3″	—
Z 39-140	BrightestCG	302.2″	—
Z 39-141	Galaxy	304.7″	—

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-3644 · Registry entry updated 2026-08-14.