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NGC 2359 — Emission Nebula in Canis Major

Emission Nebula Fair (32/100)
EmissionNebula Canis Major (CMa) Visible
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1Properties

Magnitude —
Angular Size 10.0′ × 5.0′
!!, vF, vvL, viF

Position & Identifiers

RA 07h 18m 31.0s
Dec -13° 13' 37.9"
Constellation Canis Major (CMa)
Catalog NGC 2359

2How easy to spot?

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

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

Out of reach for typical amateur telescopes, even at Bortle 3.

3Visibility

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Best season Dec – Feb (peak: Jan)

4 Filter Response Guide

5 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 2359 · 10.0′×5.0′ · 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 2374
Easy
Open cluster
Open Cluster mag 8.0 1.3° Canis Major
R CMa
Medium
Eclipsing binary, period 1.1d
Variable Star mag 5.70 3.2° Canis Major
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