NGC 6717 — Globular Cluster in Sagittarius
Fair (34/100)
Observe
1Properties
Magnitude
10.35
Angular Size
3.9′
F, S, rr, Cl + neb
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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. | Medium | Hard+ | Hard+ |
| 150 mm Newton 150mm Newt. | Easy | Medium+ | Medium+ |
| Celestron C8 (203 mm SCT) C8 203mm | Easy | Easy | Medium+ |
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
May – Jul
(peak: Jun)
4
Eyepiece View
125x
TFOV: 0.4°
Lim. mag: 13.6
NGC 6717 · 3.9′ diameter · N up, E left
5
Best Magnification
Explore
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.
Collinder 394
Open cluster
Open Cluster
mag 6.3
2.6°
Sagittarius
V3879 Sgr
Semi-regular variable, range 6.0–6.6
Variable Star
mag 6.35
4.4°
Sagittarius
M22
NGC 6656
Large bright globular cluster
Globular Cluster
mag 5.1
4.5°
Sagittarius
NGC 6642
Compact globular cluster
Globular Cluster
mag 8.8
5.4°
Sagittarius
NGC 6638
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 9.2
6.2°
Sagittarius
M28
NGC 6626
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 6.8
7.3°
Sagittarius
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