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NGC 2018 — Emission Nebula in Mensa

Emission Nebula Good (53/100)
Magnitude 10.9m EmissionNebula Mensa (Men) Visible
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1Properties

Magnitude 10.89
Angular Size 2.8′ × 1.7′
Position Angle 170°
pB, pL, R, pglbM, *10 p inv

Position & Identifiers

RA 05h 31m 24.9s
Dec -71° 04' 08.8"
Constellation Mensa (Men)
Catalog NGC 2018

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard+ Hard V. hard+
150mm Newt. Medium Medium Hard+
C8 203mm Medium+ Medium Medium
Easy Medium Hard Very hard Impossible

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

With O-III filter

Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Medium Medium Hard+
150mm Newt. Easy Medium+ Medium+
C8 203mm Easy Easy Medium+
Medium on Seestar S50

3Visibility

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Best season Nov – Jan (peak: Dec)

4 Filter Response Guide

5 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 2018 · 2.8′×1.7′ · N up, E left

Explore

6 Surface Brightness

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 2031
Medium+
Open cluster
Open Cluster mag 10.83 0.2° Mensa
NGC 1987
Hard+
Compact globular cluster
Globular Cluster mag 12.0 0.5° Mensa
Tarantula Nebula
NGC 2070
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 8.0 2.1° Dorado
NGC 2069
Medium+
Diffuse nebula
Diffuse Nebula mag 10.10 2.2° Dorado
NGC 1763
Medium+
Emission nebula — try an OIII filter
Emission Nebula mag 9.40 5.6° Dorado
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