Which Greek astronomer first recorded the NGC 869 and 884 clusters?
NGC 884 NGC 884 is an open cluster located 7600 light years away in the constellation of Perseus. It is the easternmost of the Double Cluster with NGC 869. NGC 869 and 884 are often designated h and χ Persei, respectively. The cluster is most likely around 12.5 million years old. Located in the Perseus OB1 association, both clusters are located physically close to one another, only a few hundred light years apart. The clusters were first recorded by Hipparchus, but have likely been known since antiquity.
NGC 448 NGC 448 is a lenticular galaxy of type S0^- (edge-on) located approximately 27.120 +/- away in the constellation Cetus. It was discovered on September 2, 1886 by Lewis Swift. It was described by Dreyer as "pretty bright, very small, [and] a little extended."