Registry · deep sky

Cl Alessi 21

OpenCluster SIMBAD OpC 52 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: 07h 10m 45.60s
Declination: −09° 21′ 47.0″
Galactic l, b: 223.46, -0.01362
Parallax: 1.72 mas
Redshift z: 0.00013957
Radial velocity: 41.84 km/s
Proper motion: -5.475, 2.602 mas/yr
Angular size: 56′ × 56′

Also known as

3 identifiers

Cl Alessi 21[KPR2004b] 125[KPS2012] MWSC 1137

In the same field

within 9 arcmin · wider search

Object	Type	Separation	V
Gaia DR2 3048211304420416640	Star	68.77″	—
HD 54995	Star	99.44″	7.42
Gaia DR3 3048208216341898112	Star	131.8″	—
Gaia DR3 3048208216341883008	Star	164″	—
TYC 5394-1912-1	Star	212.1″	10.5
UCAC4 404-023321	Star	261″	13.72
Gaia DR2 3048207322988710912	Star	284.3″	—
Gaia DR2 3048207082470553728	Star	308.7″	—
HD 55013	Star	348.8″	8.77
Gaia DR2 3048200725919123968	Star	358.5″	—
Gaia DR3 3048213061064200448	Star	365.4″	—

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/cl-alessi-21 · Registry entry updated 2026-08-14.