NS Puppis (NS Pup) is an irregular variable star in the constellation Puppis. Its apparent magnitude varies between 4.4 and 4.5.
NS Puppis is a naked eye star, given the h1 and the Bright Star Catalogue number 3225. It was considered to be a stable star until 1966. It was given the variable star designation NS Puppis in 1975.
h2 Puppis is another luminous K-type star with almost the same visual magnitude about a degree to the southeast.
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