Menu

NGC 2186 — Open Cluster in Orion

Open Cluster Good (42/100)
Magnitude 8.7m OpenCluster Orion (Ori) Visible
Star Map
+ List + Plan Star Hop

Observe

1Properties

Magnitude 8.7
Angular Size 4.2′
Cl, pL, pRi, pC, st L and S

Position & Identifiers

RA 06h 12m 07.1s
Dec +05° 27' 31.0"
Constellation Orion (Ori)
Catalog NGC 2186

2How easy to spot?

Sign in and configure your equipment and default location to see a personalized row.
Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Easy Easy Easy
150mm Newt. Easy Easy Easy
C8 203mm Easy Easy Easy
Easy Medium Hard Very hard Impossible

Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs

Medium on Seestar S50

3Visibility

Set a location in User Settings to see visibility data.

Best season Nov – Jan (peak: Dec)

4 Eyepiece View

Log in to set your own equipment
125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 2186 · 4.2′ diameter

5 Best Magnification

Explore

6 Classification Decoder

Nearby in the Sky

Other targets within a few degrees — pan your scope a little and keep exploring.

Visibility scores assume a 150 mm Newton at Bortle 4.

NGC 2180
Easy
Open cluster
Open Cluster mag 9.00 1.0° Orion
Collinder 92
Easy
Open cluster
Open Cluster mag 9.3 2.7° Orion
Epsilon Mon
Easy
Easy double, sep 12.1″
Double Star mag 4.44 3.0° Monoceros
T Mon
Easy
Pulsating variable, period 27.0d
Variable Star mag 5.98 3.6° Monoceros
Collinder 91
Easy
Open cluster
Open Cluster mag 7.8 3.9° Monoceros
NGC 2236
Easy
Open cluster
Open Cluster mag 8.5 4.6° Monoceros
Rosette Nebula
NGC 2237
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 6.0 4.9° Monoceros
Show on Map

Explore Nightbase

Related knowledge, tools, and stories — no observation planning required.

The Life of Stars
From birth in a nebula to spectacular death — how stars are born, shine, swell, and die, and how to read the clues in their starlight.
Article
Orion
Mythology, bright stars, and deep-sky highlights.
Constellation
Venus
Phases, transits, and the brightest planet in the sky.
Deep dive
}