NGC 2438
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| NGC 2438 | |
 |
|
| Observation data (Epoch J2000.0) |
|
|---|---|
| Right ascension | 07h 41.8m |
| Declination | -14° 44′ |
| Distance | 2,900 ly |
| Apparent magnitude (V) | +10.8 |
| Apparent dimensions (V) | 1.1 arcmins |
| Constellation | Puppis |
| Physical characteristics | |
| Radius | - |
| Absolute magnitude (V) | - |
| Notable features | Superimposed on Messier 46 |
| See also: Planetary nebula, Lists of nebulae | |
NGC 2438 is a planetary nebula in the constellation Puppis. It was discovered by William Herschel in 1786.
Visually, NGC 2438 seems to be within the confines of the open cluster M46 but in reality it is closer to us than the cluster making this a coincidental line of sight alignment. The central star of this planetary nebula has a magnitude of 17.7.
