Registry · deep sky

DR 21 (OH)

denseCore SIMBAD cor 430 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 01.01s
Declination: +42° 22′ 50.2″
Galactic l, b: 81.722, 0.5713
Angular size: 0.39′ × 0.39′

Also known as

6 identifiers

DR 21 (OH)W 75S(OH)[CLZ2017] Cyg-N44[CQZ2019] DR21-2[DKS2007] 37[MBS2007c] CygX-N44

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
W 75(OH)	Radio	0.3″	—
[ZLS2012] SMA6	mmRad	1.273″	—
[ZLS2012] SMA7	mmRad	1.373″	—
[ZLS2012] SMA5	mmRad	1.48″	—
DR 21(OH) MM 1	Maser	1.56″	—
GAL 081.72+00.57	Maser	3.638″	—
MSX6C G081.7220+00.5699	YSO	5.142″	—
BGPS G081.721+00.572	mmRad	6.137″	—
Cyg X FIR 36	Radio	7.279″	—
[ZLS2012] SMA1	mmRad	7.658″	—
DR 21(OH) MM 2	Maser	9.172″	—

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