NGC 2477
Open star cluster · Open cluster in the constellation Puppis

About NGC 2477
NGC 2477 is about 4,514 light-years from the Sun, so the light we see from it left about 4,514 years ago.
It is 28,595 light-years from the centre of the Milky Way.
The map lists it as an open star cluster and shows it among the stars around the Sun, drawn on the plane of the Milky Way.
Key numbers
| Distance | 4,514 light-years (1,384 pc) |
|---|---|
| Distance from the Galactic centre | 28,595 light-years |
| Galactic coordinates | l = 253.57°, b = -5.84° |
| Member stars (Gaia) | 3,543 |
| Age | 701 million years |
| Mass (observed) | 12,080 solar masses |
| Half-member radius | 10.4 light-years |
Data: Hunt & Reffert 2024.
Where it is
Its place in the universe, from the inside out: Orion–Cygnus Arm (Local Arm) › Milky Way › Local Group › Virgo Supercluster › Laniakea Supercluster › Observable universe.
Zoom out to see it in context: Local Arm, a view about 12,000 light-years across.
From Wikipedia
NGC 2477 is an open cluster of stars in the constellation of Puppis. Alternatively, it is known as Caldwell 71 or the Termite Hole Cluster. It was discovered by Abbé Lacaille in 1751. This cluster contains about 300 stars, and its age has been estimated at 1.0 billion years.
Excerpt from the Wikipedia article NGC 2477, licensed CC BY-SA 4.0.
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