NGC 6507 — Open Cluster in Sagittarius
Good (43/100)
Observe
1Properties
Magnitude
10.0
Angular Size
4.8′
Cl, pS, lRi, lC
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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+ | 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
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Best season
May – Jul
(peak: Jun)
4
Eyepiece View
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.
M23
NGC 6494
Rich open cluster
Open Cluster
mag 5.5
1.7°
Sagittarius
NGC 6440
Globular cluster — dense ball of ancient stars
Globular Cluster
mag 9.7
3.9°
Sagittarius
M24
Small Sagittarius Star Cloud
Bright star cloud
Star Cloud
mag 2.5
4.2°
Sagittarius
NGC 6603
Open cluster
Open Cluster
mag 11.0
4.5°
Sagittarius
NGC 6589
Diffuse nebula
Diffuse Nebula
mag 10.50
4.7°
Sagittarius
NGC 6595
Open cluster
Open Cluster
mag 7.0
4.7°
Sagittarius
M18
Black Swan Cluster
Open cluster
Open Cluster
mag 7.5
4.8°
Sagittarius
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