Observe
1Properties
Magnitude
9.3
Angular Size
11 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. | Easy | 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
Set a location in User Settings to see visibility data.
Best season
Nov – Jan
(peak: Dec)
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.
Epsilon Mon
Easy double, sep 12.1″
Double Star
mag 4.44
0.6°
Monoceros
Rosette nebula
NGC 2239
Rich open cluster
Open Cluster
mag 4.80
2.0°
Monoceros
T Mon
Pulsating variable, period 27.0d
Variable Star
mag 5.98
2.1°
Monoceros
Collinder 97
Open cluster
Open Cluster
mag 5.4
2.2°
Monoceros
C50
NGC 2244
Open cluster
Open Cluster
mag 4.8
2.2°
Monoceros
Rosette Nebula
NGC 2237
Emission nebula — try an OIII filter
Emission Nebula
mag 6.0
2.2°
Monoceros
NGC 2236
Open cluster
Open Cluster
mag 8.5
2.4°
Monoceros
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