Observe
1Properties
Magnitude
7.9
Angular Size
11.7′
Cl, pL, pRi, iF, st 11...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 | Easy |
| 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
Sep – Nov
(peak: Oct)
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.
1 Per
Eclipsing binary, period 25.9d
Variable Star
mag 5.52
1.0°
Perseus
Double cluster
NGC 869
Rich open cluster
Open Cluster
mag 4.0
3.3°
Perseus
Double cluster
NGC 884
Rich open cluster
Open Cluster
mag 4.0
3.7°
Perseus
M76
Little Dumbbell Nebula
Planetary nebula — try an OIII filter
Planetary Nebula
mag 10.1
4.6°
Perseus
NGC 957
Open cluster
Open Cluster
mag 7.6
5.2°
Perseus
NGC 659
Open cluster
Open Cluster
mag 7.9
5.5°
Cassiopeia
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