M 46 NGC 2437

Capture

Seestar s50 235 stacks

Date

26 April 2026

Location

Camden, NSW

Original

1080 × 1920 px

M 46 NGC 2437 is an open cluster of stars in the slightly southern constellation of Puppis. Dreyer described it as very bright, very rich, very large. It is about 5,000 light-years away. There are an estimated 500 stars in the cluster. It is thought to be a mid-range estimate of 251.2 million years old. The planetary nebula NGC 2438 appears to lie within the cluster near its northern edge. Apparent magnitude 6.0

See it in the star clusters gallery