Registry · deep sky

NGC 1643A

EmissionG SIMBAD EmG 49 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: 04h 43m 43.95s
Declination: −05° 19′ 10.0″
Galactic l, b: 202.37, -30.72
Redshift z: 0.016389
Radial velocity: 4,873 km/s
Angular size: 1.011′ × 0.7668′

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SN 1999et	Supernova	11.7″	—
SN 1995G	Supernova	17.35″	15.5
LEDA 177732	Seyfert2	291.7″	—
HD 30009	Star	410.4″	9.664
LEDA 1047309	EmissionG	495.3″	—
LEDA 1044836	EmissionG	511.4″	—

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-1643a · Registry entry updated 2026-08-14.