UPSA Object Registry
Registry · deep sky

NGC 3646

GinPair SIMBAD GiP 153 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 43.07s
Declination
+20° 10′ 10.4″
Galactic l, b
226.85, 68.35
Magnitude V
11.13
Redshift z
0.014221
Radial velocity
4,233 km/s
Angular size
3.53′ × 1.794′

Also known as

17 identifiers

2MASX J11214310+2010103ADBS J112134+2010CAIRNS J112143.10+201012.9Gaia DR3 3978283659160973440KPG 281aLEDA 34836[M98c] 111905.2+202643NGC 3646SDSS J112143.07+201010.3UGC 6376UZC J112143.1+201011Z 1119.0+2026Z 96-34[CHM2007] HDC 644 J112143.10+2010103[CHM2007] LDC 801 J112143.10+2010103MCG+03-29-037[RS2000] 159

In the same field

within 9 arcmin · wider search
ObjectTypeSeparationV
SN 1999cd Supernova 46.42″ 17.9
SN 1989N Supernova 47.66″ 14.5
NGC 3649 AGN 467.5″ —

Provenance

where this card came from
ArchiveRead at (UTC)Record
Seeded from the bulk archive load; no per-object fetch yet.

Machine-readable: /api/v1/object/ngc-3646 · Registry entry updated 2026-08-14.