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H II region · Cygnus

North America Nebula

Deep skyC 20NGC 7000

Scientific overview

North America Nebula is an H II region in the constellation Cygnus. It shines at apparent magnitude 4 and spans about 120 arcminutes of sky.

Observation guide

Difficulty
Naked eye
Recommended equipment
no equipment needed (dark sky helps)
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
20.9881h / 44.5288°
Hemisphere
Northern
Season
Summer

Precision measurements

Distances and velocities from SIMBAD · NGC 7000

Distance2,639 lySIMBAD · catalogued
Physical size (major axis)92.104694 lySIMBAD · derived
Physical size (minor axis)23.026173 lySIMBAD · derived
Right ascension (ICRS)314.695833 degSIMBAD · measured
Declination (ICRS)44.33 degSIMBAD · measured
Full field-level provenance
  • Distance: Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · mesDistance · dist · 2020A&A...633A..51Z · distance indicator: plx · catalogued value · source value 809 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
  • Physical size (minor 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
  • Right ascension (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · ra · direct catalogue measurement · retrieved 2026-07-11
  • Declination (ICRS): Centre de données astronomiques de Strasbourg (CDS) · SIMBAD · basic · dec · 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 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
Veil NebulaC 34 · NGC 6960Supernova remnant7210

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.