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NGC 6259 — Open Cluster in Scorpius

Open Cluster Good (53/100)
Magnitude 8.0m OpenCluster Scorpius (Sco) Visible
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1Properties

Magnitude 8.0
Angular Size 6.0′
! Cl, B, vL, vRi, st 11...

Position & Identifiers

RA 17h 00m 45.4s
Dec -44° 39' 18.0"
Constellation Scorpius (Sco)
Catalog NGC 6259

2How easy to spot?

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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

Easy on Seestar S50

3Visibility

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Best season May – Jul (peak: Jun)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 6259 · 6.0′ diameter

5 Best Magnification

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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 6249
Easy
Open cluster
Open Cluster mag 8.2 0.6° Scorpius
NGC 6250
Easy
Rich open cluster
Open Cluster mag 5.9 1.4° Ara
NGC 6222
Easy
Open cluster
Open Cluster mag 10.0 1.8° Scorpius
NGC 6216
Easy
Open cluster
Open Cluster mag 10.0 2.0° Scorpius
V861 Sco
Medium
Eclipsing binary, period 7.8d
Variable Star mag 6.15 3.9° Scorpius
NGC 6352
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.2 5.7° Ara
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