NGC 2438 is a planetary nebula in the southern constellation of Puppis. [2] Parallax measurements by Gaia put the central star at a distance of roughly 1,370 light years. [1] It was discovered by William Herschel on March 19, 1786. [3]

Feb 1, 2021 · M46 and NGC 2438 are easiest to find by dropping 5° due south from 4th-magnitude Alpha (α) Monocerotis, the brightest star in Monoceros. Trying to find that star is its own challenge, especially with less-than-perfect sky conditions.

Apr 7, 2011 · Explanation: NGC 2438 is a planetary nebula, the gaseous shroud cast off by a dying sunlike star billions of years old whose central reservoir of hydrogen fuel has been exhausted. About 3,000 light-years distant it lies within the boundaries of …

Nov 4, 2021 · NGC 2438 is a planetary nebula, formed after the death of a Sun-like star. The medium-sized star would have expelled its outer layers of gas into space as it died, leaving behind a white-dwarf core. A halo of glowing gas over 4.5 light-years across surrounds the nebula's brighter inner ring.

The ring-shaped mag. 10.8 planetary nebula, NGC2438 (Herschel H IV.39) is a 1.3′ dia. planetary nebula in the constellaiton Puppis that appears within the larger 20′, mag 6.1 open cluster, NGC 2437 (M46). NGC2438 is superimpsed on M46 but is not a member of the open cluster.

Oct 28, 2022 · A treasure within a treasure — that’s open cluster M46 and planetary nebula NGC 2438, which lie in Puppis, the Stern of the now-deprecated constellation Argo Navis (the Ship Argo).

Apr 3, 2012 · The small, colorful patch of glowing gas in M46 is actually the planetary nebula NGC 2438 - the final phase in the life of a sun-like star billions of years old. NGC 2438 is estimated to be only 3,000 light-years distant and likely represents a foreground object, only by chance appearing along our line of sight to youthful M46.

The striking red patch of glowing gas above center in this lovely photograph is the planetary nebula NGC 2438 - a brief, final phase in the life of a solar-type star a few billion years old whose central reservoir of hydrogen fuel has been exhausted.

NGC 2438 is a multi-shell planetary nebula. It is expanding with a velocity of 37 km/s. The structure is surrounded by a fainter, mostly circular halo that is more visible on the western half, and has a diameter of 130 arc seconds.

NGC 2438 is a small but still bright planetary nebula located about 2,900 light years away, in the Southern constellation Puppis. This nebula is found “inside” M46 (most of the stars in this frame belong to it), an open cluster, which is as far away as 5,400 light years.