It is visible in the constellations Horologium and Eridanus. Gliese 146 is a K5V class star located in the constellation Horologium. This is the list of notable stars in the constellation Horologium, sorted by decreasing brightness. Arp-Madore 1 is a globular cluster visible in the constellation Horologium, located away from Earth. The Astrologer's instruments ("horologium" and "palm") are a plumb line and sighting instrument. The astrologer's instruments ("horologium" and "palm") are a plumb line and sighting instrument. It corresponds to constellations Auriga, Eridanus, Horologium, Lepus, Orion, Perseus and Taurus. On his epitaph, he is credited with the creation of a "nocturnal clock" ("horologium nocturmum"). However, "Schuster's Spiral" (Horologium Dwarf) is not named after him, but a different Schuster. The Horologium Supercluster has about 5,000 galaxy groups (30,000 giant galaxies and 300,000 dwarf galaxies). Horologium is home to many deep-sky objects, including several globular clusters.