Crater

Crater is a constellation. Its name is Latin for cup, and in Greek mythology it is identified with the cup of the god Apollo. It was one of the 48 constellations listed by the 2nd century astronomer Ptolemy, and remains one of the 88 modern constellations. It is faint, with no star brighter than third magnitude. ... Stars. Alpha Crateris, traditionally called Alkes, is an orange-hued giant star of magnitude 4.1, 174 light-years from Earth. Its traditional name means "the cup". Beta Crateris is a blue-white hued star of magnitude 4.5, 266 light-years from Earth. Gamma Crateris is a double star divisible in small amateur telescopes. The primary is a white star of magnitude 4.1, 84 light-years from Earth. The secondary is of magnitude 9.6. Delta Crateris is the brightest star in Crater at magnitude 3.6. 195 light-years away, it is an orange-hued giant star. ... Deep-sky objects. NGC 3511 is a spiral galaxy with a slight bar, seen nearly from the edge, of type SBbc. It is a member of the galaxy cluster Abell 1060. This galaxy is magnitude 12, and is 4' × 1' in size. NGC 3887 is a barred-spiral galaxy of type SBc, magnitude 11, with a diameter of 3.5'. NGC 3981 is a spiral galaxy with two wide spiral arms, of type SBbc. It is magnitude 12 with a diameter of 3'. This galaxy was discovered by William Herschel in 1785. RX J1131 is a quasar located 6 billion light years away from Earth. The black hole in the center of the quasar was the first black hole whose spin has ever been directly measured. [Crater (constellation). Wikipedia]