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BOOTES Boötes is now one of the 88 modern constellations. It contains the fourth brightest star in the night sky, the orange-hued Arcturus. Boötes is home to many other bright stars, including eight above the fourth magnitude and an additional 21 above the fifth magnitude, making a total of 29 stars easily visible to the naked eye. Visible : Feb, Mar, Apr, May, Jun, Jul, Aug, Sep Spring - Summer Arcturus is the brightest star in the northern celestial hemisphere making it the brightest star north of the celestial equator, and the fourth brightest star in the night sky. This makes Arcturus the third brightest individual star. It is a type K0 III orange giant star Canis Major Canis Major is a constellation in the southern celestial hemisphere. Visible : Jan, Feb, Mar, Apr, Dec Winter - Spring Canis Major contains Sirius, the brightest star in the night sky, known as the "dog star". It is bright because of its proximity to our Solar System. In contrast, the other bright stars of the constellation are stars of great distance and high luminosity Cassiopeia Cassiopeia is a constellation in the northern sky. It is easily recognizable due to its distinctive 'M' shape when in upper culmination but in higher northern locations when near lower culminations in spring and summer it has a 'W' shape, formed by five bright stars. Visible : All through the year Cepheus Cepheus is a constellation in the northern sky Visible : All through the year Cygnus Cepheus is a constellation in the northern sky Visible : Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec Spring – Summer - Winter Draco Draco is a constellation in the far northern sky. Visible : All through the year Gemini Gemini name is Latin for "twins," and it is associated with the twins Castor and Pollux in Greek mythology Visible : Jan, Feb, Mar, Apr, May, Nov, Dec Winter – Spring The brightest star in Gemini is Pollux, and the second brightest is Castor. Leo Leo is one of the constellations of the zodiac, lying between Cancer to the west and Virgo to the east Visible : Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Dec Winter – Spring – Summer Orion Orion is a prominent constellation located on the celestial equator and visible throughout the world. Visible : Jan, Feb, Mar, Apr, Nov, Dec Winter – Spring Its brightest stars are : Rigel (Beta Orionis) a blue-white Betelgeuse (Alpha Orionis), red supergiant Scorpius Scorpius It lies between Libra to the west and Sagittarius to the east. It is a large constellation located in the southern hemisphere near the center of the Milky Way. Visible : Jun, Jul, Aug Summer Taurus Taurus is a large and prominent constellation in the northern hemisphere's winter sky. It is one of the oldest constellations, dating back to at least the Early Bronze Age when it marked the location of the Sun during the spring equinox. Taurus hosts two of the nearest open clusters to Earth, the Pleiades and the Hyades, both of which are visible to the naked eye. Visible : Jan, Feb, Mar, Apr, Oct, Nov, Dec Fall – Winter Brightest Stars: The red giant Aldebaran is the brightest star Pleiades is nearest open cluster Ursa Major Ursa Major is a constellation visible throughout the year in most of the northern hemisphere. It can be seen best in the month of April. Visible : All through the year Ursa Minor Ursa Minor is a constellation in the northern sky Visible : All through the year Polaris, the brightest star in the constellation, is a yellowwhite supergiant and brightest star in the night sky, Virgo Virgo it is the second largest constellation in the sky. It can be easily found through its brightest star, Spica Visible : Feb, Mar, Apr, May, Jun, Jul Spring – Summer Constellation Seasons visible (Northern hemisphere) Bootes Spring - Summer Canis Major Winter - Spring Cassiopeia All year around Cephus All year around Cygnus Winter – Spring – Summer Draco All year around Gemini Winter – Spring Leo Winter – Spring Summer Main Star Constellation Seasons visible (Northern hemisphere) Orion Winter - Spring Scorpius Summer Taurus Fall - Winter Ursa Major All year around Ursa Minor All year around Virgo Spring - Summer Main Star What is an Alpha Star ? Within a constellation, the stars are tagged with Greek letters in the order of their brightness. The "alpha" is the brightest star in that constellation. What is a Beta Star ? A beta star is generally, but not always, the second brightest star within a constellation.