NGC 2439 is a young, open cluster of 824 stars in the Southern constellation Puppis. It was catalogued by Per Collinder in 1931 and has unusually low extinction leading some to argue that the cluster doesn’t exist at all Kaltcheva 2001. In order to study NGC 2439 I collected 15 images using the Prompt6 telescope, […]

Read more "NGC 2439 | Astr 113"