NGC 2539 is an open cluster in the constellation Puppis, located at the north edge of the constellation. It was discovered by William Herschel on January 31, 1785. It is a moderately rich cluster and with little central concentration, with Trumpler class II1m.

NGC 2539 is a Open Cluster in the Puppis constellation. NGC 2539 is situated close to the celestial equator and, as such, it is at least partly visible from both hemispheres in certain times of the year. Given its visual magnitude of 6.5, NGC 2539 is visible with the help of a small binocular.

2025年2月19日 · Open cluster NGC-2539 - posted in Beginning Deep Sky Imaging: The next object I images was another open cluster in Puppis, NGC-2539. This RGB image is a stack of one hundred twenty 60-second subs acquired through red, green and blue filters.

NGC2539 is a medium-scaled open cluster positioned near the northeast edge of Puppis in lower wintry south skies. Perhaps you can find out the cluster by tracing 8 degrees southeast from α …

This cluster, NGC 2539 is an open cluster located in the constellation of Puppis. INGC 2539 roughly center in this image is estimated to be 4,000 light years distant. The bright star in the lower left is "19 Puppis" and is estimated to be only 185 light years distant - …

Our results show that the sample star of NGC 2539 has low projected rotational velocities and an almost solar metallicity, with a mean of [Fe/H] = −0.03 ± 0.07 dex. The abundance pattern displays for the analyzed stars are, in general, similar to those presented by solar neighborhood stars, including giant members of others open clusters.

In the far northeastern corner of the constellation Puppis (The Ship’s Stern) where it meetsHydra (The Female Water Snake) and Monoceros (The Unicorn), resides an open cluster(NGC 2539) with a dominate apparent triplet-star (19 Puppis).

NGC 2539 là một cụm sao mở trong chòm sao Thuyền Vĩ, nằm ở rìa phía bắc của chòm sao. Nó được William Herschel phát hiện vào ngày 31 tháng 1 năm 1785.

NGC 2539是位于船尾座的一个疏散星团。

2024年4月13日 · NGC 2539 is an intermediate age open cluster located in the northern part of the Puppis constellation that was discovered by William Herschel on January 31, 1785. Out of all the hundreds of stars in the cluster there is estimated to be …