Registry · deep sky

SN 1939B

Supernova SIMBAD SN* SNI 55 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: 12h 42m 02.00s
Declination: +11° 37′ 54.0″
Galactic l, b: 294.37, 74.35

Also known as

1 identifiers

SN 1939B

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
M 59	GtowardsGroup	55.04″	—
SDSS J124211.04+113841.2	Galaxy	141.1″	—
SDSS J124155.33+114003.7	Galaxy	162.6″	—
LEDA 4106176	Galaxy	234.3″	—
GALEX J124151.8+113406	WhiteDwarf	273.3″	—
LINEAR 4333811	RRLyrae	322.6″	17.2
LSBVCC 324	LowSurfBrghtG	362.7″	—
BD+12 2503	SB*	378.2″	10.86
SDSS J124218.80+114330.4	QSO	417.4″	—
IC 809	GtowardsGroup	452.2″	—
GALEX J124230.1+113438	WhiteDwarf	456.9″	—

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/sn-1939b · Registry entry updated 2026-08-14.