NGC 6584 — Globular Cluster in Telescopium
Good (46/100)
Observe
1Properties
Magnitude
9.2
Angular Size
5.1′
glob. cl. , cB, cL, R, gmbM, rrr, st 15
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Position & Identifiers
2How easy to spot?
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| Telescope | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| 80 mm refractor 80mm refr. | Easy | Medium+ | Medium+ |
| 150 mm Newton 150mm Newt. | Easy | Easy | Easy |
| Celestron C8 (203 mm SCT) C8 203mm | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
Easy
on Seestar S50
3Visibility
Set a location in User Settings to see visibility data.
Best season
May – Jul
(peak: Jun)
4
Eyepiece View
125x
TFOV: 0.4°
Lim. mag: 13.6
NGC 6584 · 5.1′ diameter · N up, E left
5
Best Magnification
Explore
6
Classification Decoder
Nearby in the Sky
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Visibility scores assume a 150 mm Newton at Bortle 4.
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8.6°
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mag 6.6
8.7°
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Rich open cluster
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mag 6.9
8.7°
Ara
C81
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Globular cluster — dense ball of ancient stars
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mag 8.2
9.3°
Ara
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