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AsteriaStar
Open cluster · Ara

NGC 6200

Deep skyNGC 6200

Scientific overview

NGC 6200 is an open cluster in the constellation Ara. It shines at apparent magnitude 7.4 and spans about 8.1 arcminutes of sky.

Observation guide

Difficulty
Small telescope
Recommended equipment
≈ 80–100 mm telescope
Best observed
Summer (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
Ara
RA / Dec
16.7354h / -47.4627°
Hemisphere
Southern
Season
Summer

Precision measurements

Distances and velocities from SIMBAD · NGC 6200

Distance6,415 lySIMBAD · catalogued
Physical size (major axis)15.116156 lySIMBAD · derived
Radial velocity-20.77 ± 10.77 km/sSIMBAD · measured
Right ascension (ICRS)251.025 degSIMBAD · measured
Declination (ICRS)-47.466667 degSIMBAD · measured
Full field-level provenance
  • Distance: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · mesDistance · dist · 2017AstBu..72..257L · catalogued value · source value 1967 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 · 2014A&A...564A..79D · direct catalogue measurement · retrieved 2026-07-11
  • Right ascension (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · ra · 2005A&A...438.1163K · direct catalogue measurement · retrieved 2026-07-11
  • Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 2005A&A...438.1163K · 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 (′)
NGC 6397C 86 · NGC 6397Globular cluster5.1715.3
NGC 6250NGC 6250Cluster with nebulosity5.99.6
IC 4651Open cluster6.99.6
NGC 6208NGC 6208Open cluster7.28.4
NGC 6204NGC 6204Open cluster8.24.5
NGC 6362NGC 6362Globular cluster8.868.4
NGC 6352C 81 · NGC 6352Globular cluster8.877.2
NGC 6193C 82 · NGC 6193Open cluster8.1

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.