Observe
1Properties
Magnitude
6.8
Angular Size
5.4′
*8 in neb
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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
Nov – Jan
(peak: Dec)
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.
TV Gem
Variable star, range 6.3–7.5
Variable Star
mag 6.56
1.6°
Gemini
NGC 2129
Rich open cluster
Open Cluster
mag 6.7
3.6°
Gemini
NGC 2158
Open cluster
Open Cluster
mag 8.6
3.8°
Gemini
Collinder 89
Open cluster
Open Cluster
mag 5.7
3.8°
Gemini
IC 2157
Open cluster
Open Cluster
mag 8.4
3.9°
Gemini
M1
Crab Nebula
Supernova remnant
Supernova Remnant
mag 8.4
8.4°
Taurus
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