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Globular cluster · Coma Berenices

NGC 5053

Deep skyNGC 5053

Scientific overview

NGC 5053 is a globular cluster in the constellation Coma Berenices. It shines at apparent magnitude 9.96 and spans about 4.8 arcminutes of sky.

Observation guide

Difficulty
Medium telescope
Recommended equipment
≈ 150–200 mm telescope
Best observed
Spring (N. evening sky)
Best hemisphere
Northern

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
Coma Berenices
RA / Dec
13.2742h / 17.6978°
Hemisphere
Northern
Season
Spring

Precision measurements

Distances and velocities from SIMBAD · NGC 5053

Radial velocity42.5 ± 0.2 km/sSIMBAD · measured
Right ascension (ICRS)199.112875 degSIMBAD · measured
Declination (ICRS)17.70025 degSIMBAD · measured
Full field-level provenance
  • Radial velocity: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · rvz_radvel · 2018MNRAS.478.1520B · direct catalogue measurement · retrieved 2026-07-11
  • Right ascension (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · ra · 2010AJ....140.1830G · direct catalogue measurement · retrieved 2026-07-11
  • Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 2010AJ....140.1830G · 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 (′)
M 53M 53 · NGC 5024Globular cluster7.799
Black Eye GalaxyM 64 · NGC 4826Barred spiral galaxy8.5210.52
M 85M 85 · NGC 4382Lenticular galaxy9.056.95
NGC 4725NGC 4725Barred spiral galaxy9.389.71
M 100M 100 · NGC 4321Barred spiral galaxy9.476.1
NGC 4494NGC 4494Elliptical galaxy9.84.35
Coma PinwheelM 99 · NGC 4254Spiral galaxy9.845.04
NGC 4559C 36 · NGC 4559Spiral galaxy9.9210.57

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.