Observe
1Properties
Magnitude
10.1
Angular Size
3.6 arcmin
Open Cluster
Position & Identifiers
2How easy to spot?
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| Telescope | Bortle 3 | Bortle 4 | Bortle 5 |
|---|---|---|---|
| 80 mm refractor 80mm refr. | Medium+ | Medium | Hard+ |
| 150 mm Newton 150mm Newt. | Easy | Easy | Medium+ |
| Celestron C8 (203 mm SCT) C8 203mm | Easy | Easy | Easy |
Easy
Medium
Hard
Very hard
Impossible
Bortle 3 = rural · 4 = outer suburbs · 5 = suburbs
Medium
on Seestar S50
3Visibility
Set a location in User Settings to see visibility data.
Best season
Jun – Aug
(peak: Jul)
4
Eyepiece View
5
Best Magnification
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 6910
Open cluster
Open Cluster
mag 7.4
0.9°
Cygnus
Collinder 419
Open cluster
Open Cluster
mag 5.4
1.4°
Cygnus
Sador
HIP 100453; Gamma Cygni; 37 Cygni
Bright naked-eye star, mag 2.2
Double Star
mag 2.20
1.4°
Cygnus
M29
Cooling Tower Cluster
Open cluster
Open Cluster
mag 7.1
3.2°
Cygnus
RS Cyg
Mira-type variable, range 6.5–9.5
Variable Star
mag 6.50
3.5°
Cygnus
Crescent nebula
NGC 6888
Emission nebula — try an OIII filter
Emission Nebula
mag 7.44
4.0°
Cygnus
NGC 6866
Open cluster
Open Cluster
mag 7.6
4.3°
Cygnus
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