Constellation Of The Northern Hemisphere – The arrival of spring in the Northern Hemisphere slowly leads to improved viewing conditions, and thus to some seasonal constellations that have been out of sight for some time. In addition to the circumpolar Ursa Major, constellations now visible include Leo, Boot, Hydra, Virgo, Cancer, and Crater, all of which offer at least a few deep-sky objects to see.
Boötes is derived from an ancient Greek word meaning ox or ploughman, although it can also mean herdsman, according to the authorities consulted. Three meteor showers have their own radiants in Boötes: the January Bootids, the June Bootids which usually produce only 1-2 meteors per hour even at their peak and the Quadrantids, which peak in the first week of January and can produce up to approx. 40 meteors an hour in a good year.
Constellation Of The Northern Hemisphere
Boötes contains no Messier objects and very few deep sky objects of any interest to the average amateur astronomer. Of passing interest may be the Boötes Void, a void 250 million light-years across that despite its enormous size contains only about 60 galaxies; and the dwarf galaxy Boötes, which was discovered only in 2006 because it is one of the faintest galaxies so far.
Northern Hemisphere Constellation. Night Sky. Star Chart. The Times 1900 Map Stock Photo
Cancer is by far the weakest of the 12 zodiac constellations. The Delta Cancrids meteor shower has its radiant in Cancer, near the star Asellus Australis. While your shower lasts from mid-December to mid-February, the shower within the shower occurs from approximately January 1st to January 24th, peaking on January 17th. Note, however, that Delta Cancrids rarely produce more than 4-6 meteors per hour at their peak.
Cancer contains two Messier objects: the Beehive Cluster (M44) and M67 (NGC 2682), with only the former of interest to amateur observers. The Beehive Cluster (Praesepe, Messier 44, M44, NGC 2632, Cr 189), only 570 light-years away, is one of the closest and brightest open clusters to Earth, making it visible to the naked eye. The cluster contains at least 1,000 stars, of which about 30% are Sun-like stars, and the rest are mostly red dwarfs.
The krater (“Cup”) represents the drinking cup of the Greek deity Apollo. It is a very faint constellation and contains no stars brighter than the fourth magnitude. The meteor shower, Eta craters has its own radiant in the crater, but note that it is best seen from the southern hemisphere
Although the crater contains several galaxies, including Crater 2, the fourth largest satellite galaxy in the Milky Way, all are fainter than magnitude 12, meaning these objects are not visible with modest amateur equipment.
Star Map Of The Northern Hemisphere Stock Illustration
The Hydra represents the Lernaean Hydra that was killed by Heracles during his twelve labors. However, in some stories, the constellation is considered a water serpent that Raven blamed for the delay in bringing a drink of water from the deity Apollo. Two meteor showers, the hydrides Alpha – and Sigma have their radiants in the constellation. Rain falls from approximately January 15th to January 30th, peaking on the night between January 20th and 21st. Look for the radiation near the Hydra’s head. The Sigma Hydrides last from the first week of December until about the 15th, with a peak on the 12th of a month that usually produces only 3-5 meteors per hour. Look for radiation near the star Minchir.
• Neighboring constellations: Antlia, Cancer, Canis Minor, Centaurus, Corvus, Crater, Leo, Libra, Lupus, Monoceros, Puppis, Pyxis, Sextans and Virgo
The two main objects of interest in Hydra are Messier 48 (M48, NGC 2548) and the Southern Vortex Galaxy (M83, NGC 5236). Located about 1,500 light-years away, Messier 48 is an open cluster of magnitude 5.5, making it an easy target for binoculars. In good dark-sky viewing conditions, the flock can also be observed without optical aid. Meanwhile, the Southern Pinwheel Galaxy (Messier 83), named for its striking resemblance to the Pinwheel Galaxy (M101) in the Big Dipper, is the closest and brightest spiral galaxy ever discovered, and at a distance of just 14.7 million light-years it offers a stunning view through optical equipment..
The lion is related to the Nemean Lion and, according to ancient Greek mythology, was the lion that Hercules killed during his 12 labors. The constellation was first cataloged by the Greek astronomer Ptolemy in the 2nd century, along with the other 12 zodiacal constellations. The two meteor showers, the Leonids and the January Leonids have radiants in Leo. The Leonids usually peak in the 17th/18th century. November each year and radiate from a point near the star Gamma Leonis, while the faint January Leonids peak in the first week of January.
How To Find The Pisces Constellation In The Night Sky
Leo contains five Messier objects: Messier 65 (NGC 3623), Messier 66 (NGC 3627), Messier 95 (NGC 3351), Messier 96 (NGC 3368), and Messier 105 (NGC 3379). Note that all of the objects mentioned are galaxies that cannot generally be observed with small telescopes and usually require medium to large telescopes as well as good viewing conditions.
Located about 35 million light-years away, NGC 3628’s most distinctive feature is the dark streak of dust that hides its spiral structure, as seen at the end. The clearly visible distorted shape of the galaxy is the result of tidal interaction with M65 and M66, the other two members of the Leo Triplet group of galaxies. Another important feature of NGC 3628 is its 300,000 light-year tidal tail, which is believed to have formed as a result of tidal interactions with other galaxies.
Messier 96 is about 31 million light-years away and spans 100,000 light-years, making it nearly as large as the Milky Way and the largest member of the Leo 1 galaxy group. the spiral structure seen here is the result of tidal interactions with other massive objects that likely occurred in the distant past.
Virgo contains the point where the ecliptic crosses the celestial equator, known as the autumnal equinox, located near the star Beta Virginis. The second (opposite) point of the equinox is in the constellation of Pisces.
Current Sky Chart, Northern Hemisphere
A series of meteor showers, known collectively as the Virginida Meteor Shower, has its radiants in Virgo. However, keep in mind that Virgo consists of several overlapping showers, including Virgo Alpha, Virgo Gamma, Virgo Eta, Virgo Theta, Virgo Iota, Virgo Lambda, Virgo Mu, Virgo Pi, Virgo Psi, and Virgo March.
Although the mother body or bodies of the Virgin (collectively called) are unknown, the entire rain complex generally lasts from January to May, with the largest part in March or April. Note also that most of the showers in the complex seem to radiate from Leo in January, with the radiant moving steadily towards Virgo, arriving in May.
Virgo has 11 Messier objects: Messier 49 (NGC 4472), Messier 58 (NGC 4579), Messier 59 (NGC 4621) and Messier 60 (NGC 4649), Messier 61 (NGC 4303), Messier 834 (NGC 468C), 4406), Messier 87 (NGC 4486), Messier 89 (NGC 4552), Messier 90 (NGC 4569) and Messier 104 (NGC 4594, Sombrero Galaxy). Note that most of the galaxies listed above are members of large extended groups of galaxies, which in the case of the Virgo Cluster extend to the constellation of Berenike Coma.
Within the constellation is the Virgo Cluster, which contains between 1,300 and 2,000 galaxies, and forms the heart of the Virgo Supercluster of galaxies, of which the Local Group of galaxies is an outer member. Another object of interest is the Sombrero Galaxy (M104, NGC 4594), which is a giant elliptical galaxy about 29.3 million light-years away that probably contains a supermassive black hole at its core. M104 is an easy target for small and medium-sized amateur telescopes, and can be found about 11.5 degrees west of the bright star Spica. The darker months are a great time to get outside and stargaze. Learn about the brightest and most recognizable constellations visible in the autumn night sky.
Map Of The Starry Sky. Constellations Of The Northern Hemisphere. Stock Vector
As the seasons change and autumn approaches, the stars of spring and summer give way to the annual stars of the dark sky. It’s nice to tour the night sky and see how it changes throughout the year, and the longer fall nights make it a great time to get outside and look up.
If you’re reading this on a smartphone or tablet, take it outside with you (don’t forget to put it in red light mode to preserve your dark-adapted vision) and keep turning left, from the starting point to the northwest. , jumping from star to star as you read.
This constellation guide is correct for the UK at 22:00 BST (21:00 UT) at the beginning of September and 20:00 BST (19:00 UT) at the end of the month. Enjoy the tour!
Corona Boreal is low
Zenith, North Celestial Pole And Circumpolar Constellations
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