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AsteriaStar
Open cluster · Vela

NGC 2925

Deep skyNGC 2925

Scientific overview

NGC 2925 is an open cluster in the constellation Vela. It shines at apparent magnitude 8.3 and spans about 7.5 arcminutes of sky.

Observation guide

Difficulty
Small telescope
Recommended equipment
≈ 80–100 mm telescope
Best observed
Spring (S. evening sky)
Best hemisphere
Southern

Guidance follows standard observing practice, derived from the object's real magnitude and position. A dark, moonless sky always helps.

Location in the sky

Constellation
Vela
RA / Dec
9.553h / -53.396°
Hemisphere
Southern
Season
Spring

Precision measurements

Distances and velocities from SIMBAD · NGC 2925

Distance2,451 lySIMBAD · catalogued
Physical size (major axis)5.34827 lySIMBAD · derived
Radial velocity3.251 ± 0.535 km/sSIMBAD · measured
Right ascension (ICRS)143.320833 degSIMBAD · measured
Declination (ICRS)-53.413056 degSIMBAD · measured
Full field-level provenance
  • Distance: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · mesDistance · dist · 2023A&A...674A.157T · catalogued value · source value 751.623 pc · retrieved 2026-07-11
  • Physical size (major axis): Centre de données astronomiques de Strasbourg (CDS) · derived (OpenNGC angular size × SIMBAD distance) · physical size = angular size × distance (small-angle); angular size from OpenNGC, distance from SIMBAD mesDistance · derived · retrieved 2026-07-11
  • Radial velocity: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · rvz_radvel · 2023A&A...674A..37G · direct catalogue measurement · retrieved 2026-07-11
  • Right ascension (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · ra · 2021A&A...647A..19T · direct catalogue measurement · retrieved 2026-07-11
  • Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 2021A&A...647A..19T · direct catalogue measurement · retrieved 2026-07-11

Physical size is derived from the OpenNGC angular size and the catalogued distance (small-angle: size = angle × distance). This is a Galactic object: its Doppler shift is shown as a radial velocity, not a cosmological redshift. Fields a source did not provide are omitted, never invented.

ObjectTypeMagSize (′)
omi Vel ClusterOpen cluster2.529.1
IC 2395Open cluster4.66
NGC 2547NGC 2547Open cluster4.77.8
NGC 3228NGC 3228Open cluster66.6
NGC 2669NGC 2669Open cluster6.18.4
NGC 2910NGC 2910Open cluster7.24.8
NGC 2645NGC 2645Open cluster7.326.6
IC 2488Open cluster7.47.2

Sources

The primary and reference sources this topic draws on.

  • OpenNGCOpenNGC (M. Verga) — NGC/IC, Messier, and Caldwell catalogue data

    Openly-licensed deep-sky catalogue: object types, positions, magnitudes, sizes, morphology, and cross-identifiers.