NGC 436 — Open Cluster in Cassiopeia
Good (48/100)
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1Properties
Magnitude
8.8
Angular Size
5.7′
Cl, S, iF, pC
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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
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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.
Owl Cluster
NGC 457
Rich open cluster
Open Cluster
mag 6.4
0.7°
Cassiopeia
Phi Cas
Easy double, sep 134.1″
Double Star
mag 4.98
0.8°
Cassiopeia
M103
NGC 581
Open cluster
Open Cluster
mag 7.4
2.9°
Cassiopeia
NGC 381
Open cluster
Open Cluster
mag 9.0
2.9°
Cassiopeia
NGC 281
Emission nebula — try an OIII filter
Emission Nebula
mag 7.0
3.8°
Cassiopeia
NGC 659
Open cluster
Open Cluster
mag 7.9
4.0°
Cassiopeia
1 Per
Eclipsing binary, period 25.9d
Variable Star
mag 5.52
6.1°
Perseus
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