Registry · deep sky

M 100

AGN SIMBAD AGN 1,977 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 22m 54.93s
Declination: +15° 49′ 20.3″
Galactic l, b: 271.14, 76.9
Magnitude V: 9.35
Redshift z: 0.0052373
Radial velocity: 1,566 km/s
Proper motion: 2.189, 0.26 mas/yr
Angular size: 6.305′ × 5.3′

Also known as

50 identifiers

1E 1220.4+16051RXS J122256.0+1549232E 1220.3+16052E 26842MASX J12225489+154920587GB 122023.7+160528ALFALFA 1-289BWE 1220+1605CAIRNS J122254.89+154920.7[DC78] UGC 7450EVCC 467Gaia DR2 3945577826800372992Gaia DR3 3945577826800693888GB6 B1220+1605HIPASS J1222+15IRAS 12204+1605IRAS F12203+1605KUG 1220+160LEDA 40153M 100[M98c] 122023.2+160600MITG J122256+1549NGC 4321NVSS B122022+160601NVSS J122251+154941NVSS J122255+154921PCCS1 545 G271.16+76.88PCCS1 857 G271.17+76.89PSCz Q12204+1605SDSS J122254.91+154920.2TGSSADR J122255.0+154920UGC 7450UZC J122255.0+154922VCC 596WB 1220+1605Z 1220.4+1606Z 99-30[BEC2010] HRS 122[BFA97] 31[CAB95] IRAS F12203+1605[CHM2007] HDC 720 J122254.89+1549205[CHM2007] LDC 904 J122254.89+1549205[DSB94] 294[GCS2005] J122254.91+154919.9[IPA98] E7[IPA98] H23MCG+03-32-015[TH2002] 6[VDD93] 156[YOF95] 102

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
SN 2020oi	Supernova	4.664″	—
SN 2019ehk	Supernova	21.84″	—
SN 2006X	Supernova	50.44″	15.3
SN 1959E	Supernova	60.42″	17.5
SN 1979C	Supernova	102.2″	—
SN 1901B	Supernova	105.9″	12.8
SN 1914A	Supernova	114.3″	15.7
SDSS J122304.99+155224.8	QSO	234.8″	—
NGC 4322	GtowardsCl	315.4″	13.94
NGC 4328	GtowardsGroup	362.4″	—
[LB2005] NGC 4321 X6	X	364.6″	—

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/m-100 · Registry entry updated 2026-08-14.