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AsteriaStar
Open cluster · Cygnus

NGC 6883

Deep skyNGC 6883

Scientific overview

NGC 6883 is an open cluster in the constellation Cygnus. It shines at apparent magnitude 8 and spans about 4.5 arcminutes of sky.

Observation guide

Difficulty
Small telescope
Recommended equipment
≈ 80–100 mm telescope
Best observed
Summer (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
Cygnus
RA / Dec
20.1888h / 35.8322°
Hemisphere
Northern
Season
Summer

Precision measurements

Distances and velocities from SIMBAD · NGC 6883

Distance9,485 lySIMBAD · catalogued
Physical size (major axis)12.415348 lySIMBAD · derived
Radial velocity-10.5 ± 4.4 km/sSIMBAD · measured
Right ascension (ICRS)302.829167 degSIMBAD · measured
Declination (ICRS)35.831667 degSIMBAD · measured
Full field-level provenance
  • Distance: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · mesDistance · dist · 2017AstBu..72..257L · catalogued value · source value 2908 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 · 2017A&A...600A.106C · direct catalogue measurement · retrieved 2026-07-11
  • Right ascension (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · ra · 2009MNRAS.399.2146W · direct catalogue measurement · retrieved 2026-07-11
  • Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 2009MNRAS.399.2146W · 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 (′)
North America NebulaC 20 · NGC 7000H II region4120
M 39M 39 · NGC 7092Open cluster4.619.5
NGC 6871NGC 6871Open cluster5.29.3
M 29M 29 · NGC 6913Open cluster6.63.6
NGC 6811NGC 6811Open cluster6.87.2
Eastern VeilC 33 · NGC 6992Supernova remnant760
Eastern VeilNGC 6995Supernova remnant712
NGC 7063NGC 7063Open cluster76.3

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.