The Night Sky: January 2021
Here are a few skywatching tips for January:
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Aldebaran
The Night Sky: January 2020
Here are some of the things to see this month:Read More »The Night Sky: January 2020
Night Sky Highlights: January 2019
Here are some of the things to see in January:
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The Night Sky This Month: January
Here are some of the things to see in January:
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Winter Hexagon
The Winter Hexagon, also known as the Winter Circle, is a prominent winter asterism formed by seven stars prominent in the winter sky.
These are Rigel in Orion, Aldebaran in Taurus, Capella in Auriga, Castor and Pollux in Gemini, Procyon in Canis Minor, and Sirius in Canis Major constellation.
Sirius and Procyon are also part of the Winter Triangle, a smaller asterism that these two stars form with Betelgeuse in Orion.
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Winter Triangle
The Winter Triangle, or the Great Southern Triangle, is an asterism formed by three bright stars in three prominent winter constellations.
These stars are Betelgeuse in Orion, Procyon in Canis Minor and Sirius in Canis Major constellation.
The Winter Triangle is prominent in the night sky in the northern hemisphere during the winter months, from December to March.
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Night Sky Highlights in January
Here are some of the things to see in January:
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Regulus
Regulus, also known as Alpha Leonis, is the brightest star in the constellation Leo and the 21st brightest star in the night sky. It has an apparent magnitude of 1.35 and lies at a distance of 79.3 light years, or 24.3 parsecs, from Earth. Alpha Leonis is not really a single star, but a multiple star system.
The name Regulus means the “little king“ or “prince“ in Latin and the star is also known as Basiliskos, Cor Leonis (Lion’s Heart), Qalb al-Asad and Rex.
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Hyades
The Hyades are a star cluster located in Taurus constellation and the nearest open cluster of stars to the solar system. Also catalogued as Collinder 50 or Melotte 25, the cluster has an apparent magnitude of 0.5 and lies at a distance of 153 light years, or 47 parsecs, from Earth.
The brightest stars in the Hyades cluster form a V shape that marks the head of the celestial bull. The cluster lies along the same line of sight as Aldebaran, the brightest star in Taurus, but the bright giant is not a member of the cluster and lies much closer to Earth.
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