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NGC 6589 — Diffuse Nebula in Sagittarius

Diffuse Nebula Good (40/100)
Magnitude 10.5m DiffuseNebula Sagittarius (Sgr) Visible
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1Properties

Magnitude 10.50
Angular Size 4.0′ × 3.0′
D* in centre of eF, pL neby

Position & Identifiers

RA 18h 16m 55.4s
Dec -19° 46' 37.6"
Constellation Sagittarius (Sgr)
Catalog NGC 6589

2How easy to spot?

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Telescope Bortle 3 Bortle 4 Bortle 5
80mm refr. Hard+ Hard+ Hard
150mm Newt. Medium+ Medium Medium
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 May – Jul (peak: Jun)

4 Filter Response Guide

5 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 6589 · 4.0′×3.0′ · 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 6595
Easy
Open cluster
Open Cluster mag 7.0 0.1° Sagittarius
IC 1284
Medium+
Diffuse nebula
Diffuse Nebula mag 7.70 0.2° Sagittarius
16 Sgr
Easy
Hot blue O-type star
Star mag 5.95 0.7° Sagittarius
M24
Small Sagittarius Star Cloud
Easy
Bright star cloud
Star Cloud mag 2.5 1.2° Sagittarius
Y Sgr
Medium
Pulsating variable, period 5.8d
Variable Star mag 5.75 1.4° Sagittarius
IC 4678
Medium
Diffuse nebula
Diffuse Nebula mag 10.40 4.6° Sagittarius
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