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NGC 6235 — Globular Cluster in Ophiuchus

Globular Cluster Fair (39/100)
Magnitude 10.2m GlobularCluster Ophiuchus (Oph) Visible
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1Properties

Magnitude 10.2
Angular Size 4.2′
pB, cL, iR, rrr, st 14...16

Position & Identifiers

RA 16h 53m 24.0s
Dec -22° 10' 60.0"
Constellation Ophiuchus (Oph)
Catalog NGC 6235

2How easy to spot?

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

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

Medium on Seestar S50

3Visibility

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Best season Apr – Jun (peak: May)

4 Eyepiece View

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125x TFOV: 0.4° Lim. mag: 13.6
N E

NGC 6235 · 4.2′ diameter · N up, E left

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 6287
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 9.2 2.8° Ophiuchus
NGC 6284
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 9.0 3.6° Ophiuchus
M19
NGC 6273
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 7.2 4.6° Ophiuchus
NGC 6293
Easy
Globular cluster — dense ball of ancient stars
Globular Cluster mag 8.2 5.8° Ophiuchus
IC 4605
Medium+
Reflection nebula around a bright star
Reflection Nebula mag 4.70 6.1° Scorpius
V1010 Oph
Medium+
Eclipsing binary, period 15.9h
Variable Star mag 6.10 6.6° Ophiuchus
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