Registry · deep sky

[W71c] DR 21S

HIIReg SIMBAD HII 8 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 39m 00.52s
Declination: +42° 19′ 40.1″
Galactic l, b: 81.679, 0.5404

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
[DKS2007] DR21-IRS 1	Infrared	3.374″	—
[H73b] A	Radio	4.173″	—
DR 21 Central Cluster	Cluster*	5.735″	—
[H73b] B	Radio	6.824″	—
NVSS J203901+421941	Radio	8.583″	—
[H73b] C	Radio	12.06″	—
DR 21	StarFormingReg	12.15″	—
[DKS2007] 36	HIIReg	15.87″	—
DR 21 S	Infrared	25.18″	—
DR 21W	PartofCloud	63.3″	—
2MASS J20390285+4222001	YSO	142.5″	—

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/w71c-dr-21s · Registry entry updated 2026-08-14.