Registry · deep sky

Ass Cyg OB 3

Association SIMBAD As* 191 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: 20h 07m 00.00s
Declination: +35° 53′ 60.0″
Galactic l, b: 72.86, 1.947
Redshift z: -3.169e-05
Radial velocity: -9.5 km/s

Also known as

2 identifiers

Ass Cyg OB 3[MWC53] I Cyg

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
HD 227732	Star	55.45″	10.61
ATO J301.8094+35.9077	EclBin	175.7″	—
HD 227743	Star	223.1″	11.72
HD 227776	Star	327.8″	8.41
V* V1821 Cyg	delSctV*	331.6″	10.22
HD 227682	Star	373.3″	10.4
IRAS 20052+3551	LongPeriodV*	400.7″	—
BD+35 3971	EmLine*	417.7″	10.14
ATO J301.8895+35.9640	EclBin	467.7″	—
V* V2238 Cyg	Star	468.2″	10.53
NGC 6871 22	Star	478.7″	11.65

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/ass-cyg-ob-3 · Registry entry updated 2026-08-14.