Registry · deep sky

Hornoch 4

Nova SIMBAD No* 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 41.05s
Declination: +41° 18′ 33.3″
Galactic l, b: 121.16, -21.53

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Ford M 31 103	PlanetaryNeb	13.21″	23.17
CXOM31 J004240.2+411845	XrayBin Candidate	15.42″	—
Ford M 31 102	PlanetaryNeb	17.46″	22.77
[CFJ83] Nova 2	Nova	18.76″	19.5
Hornoch 25	Nova	19.5″	—
Bol D65	Star	32.77″	18.5
M31N 1999-08f	Nova	38.6″	—
M31GC J004238+411826	Star	39.52″	19.59
Rosino 130	Nova	41.43″	18.75
AT 2021ypn	Nova	41.92″	—
Ford M 31 83	PlanetaryNeb	43.93″	22.29

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/hornoch-4 · Registry entry updated 2026-08-14.