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AsteriaStar
Open cluster · Norma

NGC 6115

Deep skyNGC 6115

Scientific overview

NGC 6115 is an open cluster in the constellation Norma. It shines at apparent magnitude 9.8 and spans about 4.5 arcminutes of sky.

Observation guide

Difficulty
Medium telescope
Recommended equipment
≈ 150–200 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
Norma
RA / Dec
16.4073h / -51.9482°
Hemisphere
Southern
Season
Summer

Precision measurements

Distances and velocities from SIMBAD · NGC 6115

Distance10,538 lySIMBAD · catalogued
Physical size (major axis)13.794357 lySIMBAD · derived
Radial velocity-53.337 ± 0.747 km/sSIMBAD · measured
Right ascension (ICRS)246.1375 degSIMBAD · measured
Declination (ICRS)-51.931667 degSIMBAD · measured
Full field-level provenance
  • Distance: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · mesDistance · dist · 2021A&A...651A.104P · distance indicator: paral · catalogued value · source value 3231 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 · 2020A&A...640A...1C · direct catalogue measurement · retrieved 2026-07-11
  • Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 2020A&A...640A...1C · 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 (′)
S Nor ClusterC 89 · NGC 6087Open cluster5.410.2
NGC 6067NGC 6067Open cluster5.68.1
NGC 6169NGC 6169Open cluster6.64.2
NGC 6167NGC 6167Open cluster6.77.2
NGC 6164NGC 6164Nebula6.711.41
NGC 6165NGC 6165Nebula6.712.5
NGC 6134NGC 6134Open cluster7.26.9
NGC 6152NGC 6152Open cluster8.16.6

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.