Wednesday, 23 January, 2019

Tag: Galaxies

The Piscis Austrinus Constellation

The Piscis Austrinus Constellation

Piscis Austrinus is a constellation in the southern celestial hemisphere. The name is Latin for “the southern fish,” in contrast with the larger constellation Pisces, which represents a pair of fishes. Prior to the 20th century, it was also known as Piscis Notius. Piscis Austrinus was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and it

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The Pisces Constellation

The Pisces Constellation

Pisces is a constellation of the zodiac. Its name is the Latin plural for fish. Pisces is located northeast of Aquarius and to the northwest of the constellation Cetus the Sea-monster. Other constellations bordering Pisces are Triangulum, Andromeda, Pegasus and Aries. The ecliptic and the celestial equator intersect within this constellation and in Virgo. It

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The Pictor Constellation

The Pictor Constellation

Pictor is a constellation in the Southern Celestial Hemisphere, located between the star Canopus and the Large Magellanic Cloud. Its name is Latin for a painter and is an abbreviation of the older name Equuleus Pictoris (the “painter’s easel”). Normally represented as an easel, Pictor was named by Abbé Nicolas-Louis de Lacaille in the 18th century. Pictor is a small constellation bordered by Columba to the north, Puppis and Carina to

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The Phoenix Constellation

The Phoenix Constellation

Phoenix is a minor constellation in the southern sky. Named after the mythical phoenix, it was first depicted on a celestial atlas by Johann Bayer in his 1603 Uranometria. The French explorer and astronomer Nicolas Louis de Lacaille charted the brighter stars and gave their Bayer designations in 1756. The constellation stretches from roughly −39° to −57° declination, and from 23.5h to

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The Perseus Constellation

The Perseus Constellation

Perseus is a constellation in the northern sky, being named after the Greek mythological hero Perseus. It is one of the 48 listed by the 2nd-century astronomer Ptolemy, and among the 88 modern constellations defined by the International Astronomical Union. It is located near several other constellations named after ancient Greek legends surrounding Perseus, including Andromeda to the west and Cassiopeia to the north. Perseus

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The Pegasus Constellation

The Pegasus Constellation

Pegasus is a constellation in the northern sky, named after the winged horse Pegasus in Greek mythology. It was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy and is one of the 88 constellations recognised today. Covering 1121 square degrees, Pegasus is the seventh-largest of the 88 constellations. Pegasus is bordered by Andromeda

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The Pavo Constellation

The Pavo Constellation

Pavo is a constellation in the southern sky whose name is Latin for “peacock.” Pavo first appeared on a 35-cm (14 in) diameter celestial globe published in 1598 in Amsterdam by Plancius and Jodocus Hondius and was depicted in Johann Bayer’s star atlas Uranometria of 1603 and was likely conceived by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman. French explorer and astronomer Nicolas-Louis

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The Orion Constellation

The Orion Constellation

Orion is a prominent constellation located on the celestial equator and visible throughout the world. It is one of the most conspicuous and recognizable constellations in the night sky. It was named after Orion, a hunter in Greek mythology. Orion is bordered by Taurus to the northwest, Eridanus to the southwest, Lepus to the south, Monoceros to the east, and Gemini

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The Ophiuchus Constellation

The Ophiuchus Constellation

Ophiuchus is a large constellation straddling the celestial equator. Its name is from the Greek Ὀφιοῦχος Ophioukhos; “serpent-bearer,” and it is commonly represented as a man grasping the snake that is represented by the constellation Serpens; the interposition of his body divides the snake constellation Serpens into two parts, Serpens Caput and Serpens Cauda, which are in modern times taken with

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The Octans Constellation

The Octans Constellation

Octans is a faint constellation located in the deep southern sky. Its name is Latin for the eighth part of a circle, but it is named after the octant, a navigational instrument. The constellation was devised by French astronomer Nicolas Louis de Lacaille in 1752, and it remains one of the 88 modern constellations. Octans is the 50th constellation in

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The Norma Constellation

The Norma Constellation

Norma is a small constellation in the Southern Celestial Hemisphere between Ara and Lupus, one of twelve drawn up in the 18th century by French astronomer Nicolas-Louis de Lacaille. Its name is Latin for normal, referring to a right angle, and is variously considered to represent a rule, a carpenter’s square, a set square or a level. It remains one of the 88 modern constellations.

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The Musca Constellation

The Musca Constellation

  Musca (Latin for “the fly”) is a small constellation in the deep southern sky. It was one of 12 constellations created by Petrus Plancius from the observations of Pieter Dirkszoon Keyser and Frederick de Houtman. The first depiction of this constellation in a celestial atlas was in Johann Bayer’s Uranometria of 1603. It was also known as Apis (Latin for “the bee”) for 200 years. Musca remains below

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The Monoceros Constellation

The Monoceros Constellation

Monoceros is a faint constellation on the celestial equator. Its name is Greek for a unicorn. Its definition is attributed to the 17th-century Dutch cartographer Petrus Plancius. Monoceros is the 35th constellation in size, occupying an area of 482 square degrees. It is located in the second quadrant of the northern hemisphere and can be seen

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The Microscopium Constellation

The Microscopium Constellation

Microscopium is a minor constellation in the Southern Celestial Hemisphere, one of twelve created in the 18th century by French astronomer Nicolas Louis de Lacaille and one of several depicting scientific instruments. Its name is a Latinised form of the Greek word for a microscope. Its stars are faint and hardly visible from most of the non-tropical Northern Hemisphere. The constellation is bordered by Capricornus to

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The Mensa Constellation

The Mensa Constellation

Mensa is a constellation in the Southern Celestial Hemisphere near the south celestial pole, one of twelve constellations drawn up in the 18th century by French astronomer Nicolas Louis de Lacaille. Its name is Latin for a table, though it originally depicted Table Mountain and was known as Mons Mensae. One of the 88 modern constellations, it covers a keystone-shaped wedge of sky approximately 153.5 square

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The Lyra Constellation

The Lyra Constellation

Lyra is a small constellation. It is one of 48 listed by the 2nd-century astronomer Ptolemy and is one of the 88 constellations recognised by the International Astronomical Union. Lyra was often represented on star maps as a vulture or an eagle carrying a lyre and hence is sometimes referred to as Vultur Cadens or Aquila Cadens respectively. Beginning

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The Lynx Constellation

The Lynx Constellation

Lynx is a constellation named after the animal, usually observed in the northern sky. The constellation was introduced in the late 17th century by Johannes Hevelius. It is a faint constellation, with its brightest stars forming a zigzag line. Lynx is bordered by Camelopardalis to the north, Auriga to the west, Gemini to the southwest, Cancer to the south, Leo to the east and

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The Lupus Constellation

The Lupus Constellation

Lupus is a constellation located in the deep Southern Sky. Its name is Latin for wolf. Lupus was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and it remains one of the 88 modern constellations, although it was previously an asterism associated with the neighbouring constellation Centaurus. Lupus is bordered by six different constellations, although one

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The Libra Constellation

The Libra Constellation

Libra (bottom right edge of the painting of various constellations above) is a constellation of the zodiac. Its name is Latin for weighing scales. It is fairly faint, with no first magnitude stars, and lies between Virgo to the west and Scorpius to the east. Libra is bordered by the head of Serpens to the north, Virgo to the northwest, Hydra to the southwest, the corner

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The Lepus Constellation

The Lepus Constellation

Lepus is a constellation lying just south of the celestial equator. Its name is Latin for hare. It is located below—immediately south—of Orion (the hunter), and is represented as a hare being chased by Orion’s hunting dogs. Lepus was one of the 48 constellations listed by the 2nd-century astronomer Ptolemy, and it remains one of the 88 modern constellations. Lepus

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The Leo Minor Constellation

The Leo Minor Constellation

Leo Minor is a small and faint constellation in the northern celestial hemisphere. Its name is Latin for “the smaller lion,” in contrast to Leo, the larger lion. It lies between the larger and more recognisable Ursa Major to the north and Leo to the south. Leo Minor was not regarded as a separate constellation by classical astronomers;

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