Lambda Orionis Cluster — Open Cluster in Orion
Showpiece (78/100)
Observe
1Properties
Magnitude
2.8
Angular Size
70 arcmin
Distance
1,300 ly
Open Cluster
Position & Identifiers
Physical size
26 light-years across
— about 3.1× the Sun-to-Sirius distance
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
Nov – Jan
(peak: Dec)
4
Eyepiece View
23x
TFOV: 2.1°
Lim. mag: 13.6
Lambda Orionis Cluster · 70.0′ diameter
5
Best Magnification
Discover
6
Light Travel Time Machine
7
Relativistic Travel
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.
Meissa
Lambda Ori (BS1879)
Easy double, sep 4.1″
Double Star
mag 3.54
0.0°
Orion
Collinder 74
Open cluster
Open Cluster
mag 8.6
4.2°
Orion
Betelgeuse
HIP 27989; Alpha Orionis; 58 Orionis
Semi-regular variable, range 0.4–1.3
Variable Star
mag 0.50
5.6°
Orion
NGC 2141
Open cluster
Open Cluster
mag 9.4
6.9°
Orion
Collinder 65
Open cluster
Open Cluster
mag 3.0
7.1°
Taurus
NGC 1817
Open cluster
Open Cluster
mag 7.7
8.7°
Taurus
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