Observe
1Properties
Magnitude
8.9
Angular Size
5.6′
Cl, P, lC, pS, st 9-10, 12...13
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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 | Easy | 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
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.
IC 1287
Reflection nebula around a bright star
Reflection Nebula
mag 6.10
0.6°
Scutum
NGC 6631
Open cluster
Open Cluster
mag 12.0
2.2°
Scutum
NGC 6664
Open cluster
Open Cluster
mag 7.8
2.3°
Scutum
NGC 6625
Open cluster
Open Cluster
mag 9.0
3.0°
Scutum
M26
NGC 6694
Open cluster
Open Cluster
mag 8.0
3.1°
Scutum
S Sct
Semi-regular variable, range 6.6–7.3
Variable Star
mag 6.80
4.9°
Scutum
M16
Eagle Nebula
Emission nebula — try an OIII filter
Emission Nebula
mag 6.4
4.9°
Serpens
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