a constellation in the northern hemisphere

a constellation in the northern hemisphere插图

Cassiopeia
Cassiopeiais a large constellation in the northern hemisphere,known as the ‘W’ constellation based on the pattern that is formed by its five brightest stars. There are a total of eight stars in this constellation which is located opposite the Big Dipper asterism.

What are the constellations of the northern hemisphere?

Constellations of the Northern Hemisphere. 1. Pisces, Fishes 2. Cetus, Whale 3. Aries, Ram 4. Triangulum Triangle. 5. Andromeda, Andromeda 6. Pegasus, Winged Horse 7. Equuleus, Little Horse 8. Delphinus, Dolphin. 9. Aquila, Eagle 10. Sagitta, Arrow 11. Cygnus, Swan 12. Lacerta, Lizard 13. Cepheus, King 14. Cassiopeia , Lady in the Chairn 15.

What is the smallest constellation in the northern sky?

The smallest constellations in the northern sky are Equuleus (71.64 square degrees), Sagitta (79.93), Triangulum (131.85), Corona Borealis (178.71), and Canis Minor (183.37).

What is the dominant constellation in the night sky?

In the Fall, Pegasus, Perseus and Andromeda make their arrival in the night sky. The dominant constellation is, of course, Pegasus.

What is the brightest star in the fall constellation?

Fall Constellations in the Northern Hemisphere. Perseus, of Persied Meteor Shower fame, was named after the Greek hero Perseus. Mirfak is the brightest star in this constellation and is an F5 super giant. Algol, another bright star found in this constellation, is actually a triple star system, but appears as a single star when viewed from Earth.

What are the names of the animals that live in the Herdsman?

These are Boötes (the Herdsman), Camelopardalis (the Giraffe), Canes Vena tici (the Hunting Dogs), Coma Berenices (Berenices’ Hair), Corona Borealis (Northern Crown), Draco (Dragon), Leo Minor (the Smaller Lion), Lynx, Ursa Major (the Great Bear) and Ursa Minor (the Little Bear).

Which constellations are in the northern hemisphere?

These are Andromeda (the Chained Maiden), Auriga (the Charioteer), Cassiopeia (the Queen), Cepheus (the King), Lacerta (the Lizard), Pegasus (the Winged Horse), Perseus and Triangulum (the Triangle).

Where are the Ursa Major constellations located?

Two entire constellation families are found in the northern sky. The 10 constellations in the Ursa Major Family all lie in the northern celestial hemisphere and can be seen rotating around the north celestial pole throughout the year from northern latitudes. These are Boötes (the Herdsman), Camelopardalis (the Giraffe), …

What are the northern constellations?

The majority of the modern 36 northern constellations are based on the Greek constellations, first catalogued by the astronomer Ptolemy in the 2nd century. Many of them are associated with Greek myths and legends. However, most of the Greek constellations, including the constellations of the zodiac, have a much longer history, …

How many stars are in M31?

M31 is the largest galaxy close to the Milky Way, and is counted as a member of the Local Group of galaxies, a collection of about 30 or so galaxies that collectivelly are also an outlying member of the Virgo Super Cluster of Galaxies. M31 is about 2.9 million light years away, and appears to be about six times as large as the full Moon, although the bright central bulge of the galaxy is visible only in small telescopes, while larger instruments will highlight the entire galaxy. It is estimated that M31 contains about 1 trillion stars, which is considerably more than the estimated 200 to 600 billion stars that make up the Milky Way.

What is the brightest star in the constellation Aquarius?

Aquarius. The Aquarius constellation’s brightest star is Sadalsuud ( Beta Aquarii) a yellow supergiant found 610 light years away of magnitude +2.87. the best time to view the constellation is at 21:00 (9 p.m.) during the month of October.

How many stars are in Messier 74?

Messier 74 (M74, NGC 628) While this galaxy is a text-book example of a classical grand design spiral galaxy, and is estimated to contain at least 100 billion stars, it has the lowest surface brightness of all the Messier objects, which makes it the most difficult Messier object for amateurs to observe.

How far away is M31?

M31 is about 2.9 million light years away, and appears to be about six times as large as the full Moon, although the bright central bulge of the galaxy is visible only in small telescopes, while larger instruments will highlight the entire galaxy.

What is the brightest star in Andromeda?

The Andromeda constellation’s brightest star is Alpheratz (Alpha Andromedae, a blue subgiant situated 97 light-years distant that shines with a magnitude of +2.06. Best time to the constellation of Andromeda is at 21:00 (9 p.m.) during the month of November. Andromeda is associated with the Andromedids meteor shower, also known as the Bielids, after the comet 3D/Biela. The shower was first documented in Russia on December 6, 1741, and although the shower has largely faded since then, some activity can still be observed during mid-November if conditions allow. The constellation contains a large number of notable deep sky objects, many of which are relatively easy targets for amateur telescopes and even binoculars. Below are some details of a few of the most prominent objects visible in Andromeda

What is the summer triangle?

As summer turns to autumn in the northern hemisphere, the changing season brings many changes to the night sky as the Summer Triangle which has dominated overhead for several months now begins to sink lower in the west, to be replaced in its lofty position by Andromeda and Pegasus, which first become visible just …

How many stars are in the M15 cluster?

This cluster contains about 100,000 stars, and with an apparent magnitude of 6.2, it shines about 360,000 times brighter than the Sun. M15 is thought by most investigators to be about 12 billion years old, which makes it old enough to contain at least one known neutron star, designated M15 C. The cluster also contains a fairly large number of know variable stars and at least two know X-ray sources, designated Messier 15 X-1 and Messier 15 X-2, respectively. Furthermore, the cluster contains the planetary nebula Pease 1, which was the first planetary nebula to be discovered in a globular star cluster.

What constellations are in the summer?

The three brightest stars in this arrangement are Deneb in Cygnus, Antlia in Aquila, and Vega in Lyra, with the Milky Way passing between the latter two stars in the triangle.

Why do we see different constellations in the night sky?

As the Earth makes its annual orbit around the Sun, we are able to see different constellations in the night sky depending upon the season of the year, and our location on the planet. While all observers have their own favorites when it comes to the constellations, the onset of summer in the northern hemisphere brings the return of a familiar crop of constellations which each stargazer will no doubt welcome, albeit for different reasons.

How many Messier objects are in the constellation?

Apart from the beautiful double star Albireo, the constellation only contains two Messier objects, both of which are open clusters, and visible with modest amateur equipment. Below are some details-

What is the name of the star that marks out the figure’s head?

Look for the star, Alpha Herculis, (Ras Algethi) atop the Keystone; this star marks out the figures’ head in traditional depictions. One meteor shower, the Tau Herculids, is associated with the constellation.

How many stars are in the M13 cluster?

Below are some details: Messier 13 ( M13, NGC 6205), also known as the Great Globular Cluster, or sometimes as the Hercules Globular Cluster, is 22,200 light years away, 145 light years wide, and contains about 300,000 stars that span a full 20 minutes of arc of the sky. The cluster was included in Messiers’ catalogue in June of the year 1764.

Where is the constellation of Hercules?

Not far north-east of the star Vega in Lyra is the constellation of Hercules, which is the night sky’s fifth largest constellation, and whose four main stars form an asterism called The Keystone, although it is sometimes difficult to spot because its stars are all between magnitudes of just 3 and 4. Meanwhile, low in the southern sky can be found …

What star is on the keystone?

Look for the star, Alpha Herculis, (Ras Algethi) atop the Keystone; this star marks out the figures’ head in traditional depictions. One meteor shower, the Tau Herculids, is associated with the constellation.