Registry · deep sky

RX J0042.9+4117

X SIMBAD X 5 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 42m 55.89s
Declination: +41° 17′ 11.2″
Galactic l, b: 121.21, -21.56

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Ford M 31 478	PlanetaryNeb	7.493″	21.6
Ford M 31 30	PlanetaryNeb	11.08″	20.69
M31N 2011-10a	Nova	12.96″	—
M31N 2010-12c	Nova	13.4″	—
M31N 2010-01a	Nova	13.77″	—
Ford M 31 189	PlanetaryNeb	16.96″	23.28
Ford M 31 136	PlanetaryNeb	18.68″	22.09
Ford M 31 80	PlanetaryNeb	21.38″	21
Ford M 31 120	PlanetaryNeb	21.5″	22.29
[JSD2012] PC 1378	Cluster*	24.4″	—
Ford M 31 31	PlanetaryNeb	27.61″	20.4

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/rx-j0042-9-4117 · Registry entry updated 2026-08-14.