Registry · deep sky

HKPN M31 20

PlanetaryNeb Candidate SIMBAD PN? 6 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 39m 27.30s
Declination: +40° 29′ 03.8″
Galactic l, b: 120.47, -22.33
Magnitude V: 23.45
Redshift z: -0.0017577
Radial velocity: -527.4 km/s
Angular size: 0.03846′ × 0.03077′

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
M31N 2007-08d	Nova	35.44″	—
SV* SON 10729	Nova	41.47″	—
RX J003924.7+402957	X	66.04″	—
2MASS J00393119+4027516	ChemPec*	84.78″	12.81
Bol 308	Galaxy	100″	17.69
LGGS J003935.63+402811.5	WolfRayet*	108.5″	—
Bol 311	GlobCluster	150″	15.36
2MASS J00393586+4027056	RedSG	153.2″	19.55
TYC 2788-1262-1	ChemPec*	168.8″	12.2
2MASS J00392119+4026118	RedSG	185.6″	19.91
HKPN M31 13	PlanetaryNeb	204.8″	22.15

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-m31-20 · Registry entry updated 2026-08-14.