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Horologium constellation: showing the tangent line, or viewer's horizon, at latitude approx 23°N, which is parallel to the line of −67.04 declension, the lower declination boundary of the constellation. Covering a total of 248.9 square degrees or 0.603% of the sky, Horologium ranks 58th in area out of the 88 modern constellations. [7]
Nu Horologii, Latinized from ν Horologii, is the Bayer designation for a single [11] star in the southern constellation of Horologium. It was catalogued by the Dutch explorer Frederick de Houtman in 1603. [12] With an apparent visual magnitude of 5.3, [2] this star can be seen with the naked eye from the southern hemisphere.
R Horologii is a red giant star approximately 760 light-years away in the southern constellation of Horologium. [13] It is a Mira variable with a period of 404.83 days, [14] ranging from apparent magnitude 4.7 to 14.3—one of the largest ranges in brightness known of stars in the night sky visible to the unaided eye. [2]
Alpha Horologii (α Horologii) is a solitary [10] orange-hued giant star and the brightest star in the constellation Horologium. It is visible to the naked eye with an apparent visual magnitude of +3.85. [2] Based upon an parallax shift of 27.721 mas as seen from the Earth, it is located at a distance of 36 light-years (11 parsecs). [1]
An astronomical clock, horologium, or orloj is a clock with special mechanisms and dials to display astronomical information, such as the relative positions of the Sun, Moon, zodiacal constellations, and sometimes major planets.
NGC 1493 is a barred spiral galaxy in the constellation of Horologium.Its velocity with respect to the cosmic microwave background is 1004 ± 4 km/s, which corresponds to a Hubble distance of 48.3 ± 3.4 Mly (14.81 ± 1.04 Mpc). [1]
Beta Horologii, Latinized from β Horologii, is the third-brightest star in the southern constellation of Horologium. It is faintly visible to the naked eye with an apparent visual magnitude of 4.98. [2] Based upon an annual parallax shift of 11.07 mas as seen from Earth, [2] it is located about 295 light years from the Sun.
This is the list of notable stars in the constellation Horologium, sorted by decreasing brightness. Name ... "Identification of a Constellation from a Position ...