Registry · deep sky

Ass Cyg OB 1

Association SIMBAD As* 271 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 17m 48.00s
Declination: +37° 37′ 60.0″
Galactic l, b: 75.497, 1.093
Redshift z: -4.503e-05
Radial velocity: -13.5 km/s

Also known as

1 identifiers

Ass Cyg OB 1

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
ATO J304.4180+37.6313	EclBin	91.36″	15.07
Gaia DR3 2060671363838390400	WhiteDwarf	198.1″	—
HD 228808	Star	204.2″	9.24
HD 193184	Star	222.3″	8.49
2MASS J20172212+3743367	HorBranch*	455.8″	—
GSC 03151-01976	**	520.2″	10.94
ZTF J201724.88+373024.6	EclBin	531.8″	—

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-1 · Registry entry updated 2026-08-14.