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The Winter Triangle is an astronomical asterism formed from three of the brightest stars in the winter sky. It is an imaginary equilateral triangle drawn on the celestial sphere , with its defining vertices at Sirius , Betelgeuse , and Procyon , the primary stars in the three constellations of Canis Major , Orion , and Canis Minor , respectively.
Paranal Observatory nights. [3] The concept of noctcaelador tackles the aesthetic perception of the night sky. [4]Depending on local sky cloud cover, pollution, humidity, and light pollution levels, the stars visible to the unaided naked eye appear as hundreds, thousands or tens of thousands of white pinpoints of light in an otherwise near black sky together with some faint nebulae or clouds ...
A celestial map by the Dutch cartographer Frederik de Wit, 1670. A star chart is a celestial map of the night sky with astronomical objects laid out on a grid system. They are used to identify and locate constellations, stars, nebulae, galaxies, and planets. [1]
Taurus is a large and prominent constellation in the northern hemisphere's winter sky, between Aries to the west and Gemini to the east; to the north lies Perseus and Auriga, to the southeast Orion, to the south Eridanus, and to the southwest Cetus. In late November-early December, Taurus reaches opposition (furthest point from the Sun) and is ...
Winter constellations as seen from the tropics Flip book (158 images): Transit of Mars, Sun, Mercury, and Venus in 2017. The Winter Hexagon or Winter Circle/Oval is an asterism appearing to be in the form of a hexagon with vertices at Rigel, Aldebaran, Capella, Pollux, Procyon, and Sirius. It is mostly upon the Northern Hemisphere's celestial ...
Amateur astronomers who follow night sky happenings knew the first thing they needed to do to see the northern lights display when they heard one may be happening. They needed to head for a dark ...
The winter night skies will feature some major meteor showers, and possibly another sighting of the northern lights, according to officials with the National Oceanic and Atmospheric Administration.
Constellations near the pole star include Chamaeleon, Apus and Triangulum Australe (near Centaurus), Pavo, Hydrus, and Mensa. Sigma Octantis is the closest star approximating a southern pole star, but is faint in the night sky.