Registry · deep sky

HKPN M31 78

PlanetaryNeb SIMBAD PN 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 37.20s
Declination: +41° 04′ 19.6″
Galactic l, b: 121.14, -21.77
Magnitude V: 21.73
Redshift z: -0.0015239
Radial velocity: -457.2 km/s
Angular size: 0.03846′ × 0.03077′

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
CXOM31 J004237.9+410526	X	66.99″	—
Bol 110	GlobCluster	69.08″	15.16
M31N 2010-10b	Nova	71.49″	—
2MASS J00424450+4103450	RedSG	89.61″	19.64
Bol 125	GlobCluster	91.55″	16.44
AT 2019uiz	Transient	92.07″	—
2E 144	XrayBin Candidate	95.48″	—
HKPN M31 76	PlanetaryNeb	96.93″	20.72
BASW 18	ClassicalCep	102.7″	—
[LL2014] 45	SNRemnant	122.6″	—
LGGS J004229.87+410551.8	BlueSG	124″	18.8

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/hkpn-m31-78 · Registry entry updated 2026-08-14.