The dimmest star you can see in Hydra with the naked eye is 20 Crateris. 20 Crateris, Hydra's Dimmest Visible Star The difference between the magnitudes is that absolute magnitude is the object from 10 Parsecs or 32.6 light-years away from the observer, whereas apparent is from Earth. The star has an apparent magnitude of 1.99 but an absolute magnitude of -1.72. The star is recognised as being the brightest in the constellation as it has the Bayer status of Alpha. The brightest star in Hydra is Alphard, about 180.30 light-years from the Sun. The most distant figure is derived from the 1997 or 2007 Hipparcos star catalogue parallax figure and has been known to produce wrong distances. The furthest star I have data for and can be located in Hydra is S Hydrae, 108,721.10 light-years away from the Sun. The nearest star to the Earth with an exoplanet is HD 90156, about 72.9 light-years. The nearest star to Earth that is located in the constellation of Hydra is Wise 0855-0714, about 7.27 light-years from the Earth. If you know of a star that is nearer or further, do let me know in the comments, and I'll add it to the site. The caveat of these stars is that they are catalogued on this site. The stars mentioned are from the Hipparcos catalogue or have been added because of their special status. The following neighbouring constellations surrounds Hydra :. This site covers thirteen non-Messier deep space objects, and the list is below. The current biggest star so far identified in the constellation of Hydra is W Hydrae.Ĭharles Messier catalogued three deep-space object(s) within Hydra's boundary. There is a dedicated page for exoplanets in Hydra. There are thirty-two Extrasolar Planets in this constellation, detailed on this site. The twelve Zodiac constellations are the constellations that lie on the Ecliptic. The Earth is tilted at an angle of 23.44°, which is why the two differ and why we have seasons. The Ecliptic is the path that the Earth takes around the Sun. The Celestial Equator is the projection of the Terrestrial Equator into space. Hydra lies south of the Ecliptic, which is different to the Celestial Equator. The celestial hemispheres are a projection of the terrestrial hemisphere into the sky. Any with a higher magnitude can only be seen with a telescope or binoculars. Naked eye stars are stars which have an apparent magnitude of 6.5 or lower. Hydra has 276 stars can be seen with the naked eye on a clear night sky. The Hipparcos satellite scanned and detailed three thousand and thirty-eight stars. Hydra has 19 stars that make up the constellation. Hydra is the 1st largest constellation in terms of size in the night sky. degrees of the night sky, equating to 3.16% of the night sky. Hydra (Constellation) takes up 1302.844 sq. The Zodiac constellations are the ones astrologers use to predict a person's future based on their birth date. Hydra is not a member of the Zodiac group of twelve constellations that appear when the Sun sets. Hydra is one of the many constellations that were created by the Ancient Greco-Egyptian astronomer Ptolemy who lived between 90 A.D. It can be when referring to the constellation shortened or abbreviated to Hya. Typically, it is within the boundaries of the constellation or was once until they were redrawn. The genitive form is Hydrae, which means anything at the end of its name infers a relationship to the constellation. Hydra is a Latin name that in English means "The Water Monster". A constellation is a pattern of stars in a recognisable shape that is supposed to resemble an object, animal or person.
#HYDRA CONSTELLATION FREE#
Hydra (constellation) article at Wikipedia, the free encyclopedia.Hydra Constellation is one of 88 constellations recognised by the International Astronomical Union ( I.A.U.).Hydra is a constellation visible from Earth, named for its characterization as a mythical creature of the same name.
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