december the constellations

december the constellations插图

What constellations are in the sky in December?

December Constellations. The constellations best seen in December are Aries, Eridanus, Fornax, Horologium, Perseus and Triangulum . Perseus, Triangulum and Aries are located in the northern sky, while Eridanus, Fornax and Horologium are southern constellations.

What are the most prominent winter constellations?

The most prominent northern winter constellations are Auriga, Canis Major, Canis Minor, Carina, Eridanus, Gemini, Monoceros, Orion and Taurus. Southern winter constellations are the same as northern summer constellations. There are two major asterisms dominating the winter night sky: the Winter Triangle and…

What is the best time of year to see the constellations?

Winter Constellations Winter constellations are the constellations that are best observed in the evening night sky from late December to late March in the northern hemisphere and from late June to late September in the southern hemisphere.

Where is the constellation Cetus?

Cetus is one of the equatorial constellations, meaning it is visible from almost anywhere. It neighbors some of the zodiac constellations, including Aquarius and Pisces. In the Northern hemisphere, Cetus is visible from fall to winter, at latitudes of around 70 to -90 degrees.

What is the name of the nebula in Perseus?

Heart and Soul Nebulae, Double Cluster and Little Dumbbell Nebula, image: Wikisky. Perseus is also home to the Perseus Cluster of galaxies (Abell 426), one of the most massive objects discovered. The Seyfert galaxy NGC 1275, named Perseus A, lies near the center of the cluster.

What is the best time to see the deep sky?

December is the best time of year to observe several well-known deep sky objects that are located in these constellations. They include the Triangulum Galaxy (M33), the Alpha Persei Cluster, the Little Dumbbell Nebula (M76), the Double Cluster (NGC 869 and NGC 884), the California Nebula (NGC 1499), and the Fornax Cluster of galaxies.

What constellations are in the sky in December?

December Constellations. The constellations best seen in December are Aries, Eridanus, Fornax, Horologium, Perseus and Triangulum. Perseus, Triangulum and Aries are located in the northern sky, while Eridanus, Fornax and Horologium are southern constellations. December is the best time of year to observe several well-known deep sky objects …

What is the brightest star in Perseus?

The brightest star in the constellation is Mirfak, Alpha Persei, an F-class supergiant with an apparent magnitude of 1.8. Mirfak is the brightest member of the Alpha Persei Cluster (Melotte 20), an open cluster with a visual magnitude of 1.2. The most famous star in Perseus is Algol, Beta Persei, a triple star composed of a binary pair …

How bright is the Horologium star?

The star’s brightness varies from magnitude 4.7 to 14.3. Horologium contains the Horologium Supercluster, a massive galaxy supercluster that contains about 5,000 groups of galaxies located in Horologium and the neighbouring Eridanus.

Which galaxy has the second brightest supernova?

The galaxy NGC 1260 , another cluster member, hosted the second brightest supernova ever recorded, SN 2006gy, in September 2006. Triangulum is one of the smallest constellations in the sky, 78th in size, with an area of only 132 square degrees.

What is the name of the third largest galaxy in the Local Group?

Triangulum contains several notable deep sky objects. The best known of these is the Triangulum Galaxy (Messier 33), the third largest galaxy in the Local Group and one of the most distant objects visible to the unaided eye. M33 is a spiral galaxy with an apparent magnitude of 5.72.

What constellations are in the night sky?

Winter constellations are the constellations that are best observed in the evening night sky from late December to late March in the northern hemisphere and from late June to late September in the southern hemisphere. The most prominent northern winter constellations are Auriga, Canis Major, Canis Minor, Carina, Eridanus, Gemini, Monoceros, …

What are the two major asterisms that dominate the night sky?

Southern winter constellations are the same as northern summer constellations. There are two major asterisms dominating the winter night sky: the Winter Triangle and the Winter Hexagon. The bright stars Sirius in Canis Major and Procyon in Canis Minor are part of both. The Winter Triangle is formed by these two stars with Betelgeuse in Orion, …

What is the name of the asterism in the constellation Orion?

The constellation Orion itself contains several prominent asterisms: the hourglass-shaped asterism representing the body of the Hunter, the famous Orion’s Belt and Orion’s Sword. The constellation’s brightest stars, Rigel and Betelgeuse, are among the ten brightest stars in the sky. They are both supergiants and among the most distant first …

How many stars are in the Winter Triangle?

The Winter Triangle is formed by these two stars with Betelgeuse in Orion, and the Winter Hexagon is formed by a total of seven stars: Sirius, Procyon, Castor and Pollux in Gemini, Capella in Auriga, Aldebaran in Taurus and Rigel in Orion.

Where is the constellation Gemini?

The constellation Gemini can be found east of Taurus, between Procyon and the bright stars of Auriga. The constellation’s brightest stars, Pollux and Castor, appear similar to the unaided eye, but are really quite different.

Which constellation is the second brightest star in the sky?

Carina , a southern constellation that cannot be seen from latitudes north of 20°N, harbours the second brightest star in the sky. Canopus has an apparent magnitude of -0.74 and lies at a distance of 310 light years from Earth. The bright giant is circumpolar for observers south of latitude 37°S.

Where is Sirius located?

Sirius, the Dog Star, is the single brightest of all stars. Located in Canis Major , only 8.6 light years from Earth, Sirius is also the fifth closest star system to our own. It is a binary star system composed of an A-class main sequence star and a D-type white dwarf.