Observe
1Properties
Magnitude
7.6
Angular Size
3.3′
Cl, L, lC
Querying SIMBAD database...
Position & Identifiers
2How easy to spot?
Sign in
and configure your equipment and default location to see a personalized row.
| 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
Medium
on Seestar S50
3Visibility
Set a location in User Settings to see visibility data.
Best season
Dec – Feb
(peak: Jan)
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.
NGC 2520
Rich open cluster
Open Cluster
mag 6.50
1.5°
Puppis
NGC 2453
Open cluster
Open Cluster
mag 8.3
1.9°
Puppis
NGC 2527
Open cluster
Open Cluster
mag 6.5
2.1°
Puppis
NGC 2489
Open cluster
Open Cluster
mag 7.9
2.2°
Puppis
IC 2311
Elliptical galaxy
Galaxy
mag 11.52
5.8°
Puppis
29 CMa
Eclipsing binary, period 4.4d
Variable Star
mag 4.98
8.9°
Canis Major
Explore Nightbase
Related knowledge, tools, and stories — no observation planning required.
The Hertzsprung-Russell Diagram — Reading Stars Like a Map
The HR diagram turns the night sky into a physics map: every named star has a spot, every spot tells you mass, age, and fate. A guide for amateur observers.
Article
Puppis
Mythology, bright stars, and deep-sky highlights.
Constellation
Jupiter
The Great Red Spot, cloud belts, and the Galilean moons.
Deep dive