Registry · deep sky

SN 1921C

Supernova SIMBAD SN* SNI 25 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: 10h 18m 23.00s
Declination: +41° 21′ 00.0″
Galactic l, b: 178.46, 55.67
Magnitude V: 10.9

Also known as

1 identifiers

SN 1921C

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[SST2011] J101812.05+412420.7	ULX Candidate	235.5″	—
QSO B1015+4134	QSO	246.5″	19
SN 1921B	Supernova	275.7″	13.5
SN 1937F	Supernova	275.7″	13.9
NGC 3180	GtowardsGroup	276.2″	—
SN 2016bkv	Supernova	282.4″	—
SDSS J101837.96+411637.9	Seyfert1	311.7″	19.84
AT 2010dn	Transient	330.7″	—
SDSS J101848.68+412343.4	QSO	332.1″	—
SN 1999gi	Supernova	335.9″	—
SDSS J101848.37+411706.3	QSO	369.2″	—

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-1921c · Registry entry updated 2026-08-14.