CD Cru is considered a likely member of the cluster , in which case it would be the brightest member by over a magnitude .
Hogg 15 is a small faint open cluster that has been calculated to lie about 4.2 kpc away .
CD Cru is considered a likely member of the cluster , in which case it would be the brightest member by over a magnitude .
Hogg 15 is a small faint open cluster that has been calculated to lie about 4.2 kpc away .