Kepler’s Supernova (SN 1604) is the remnant of a supernova first observed in October 1604. The supernova occurred in the Milky Way galaxy, less than 20,000 light-years from the Sun. It peaked at magnitude -2.25 to -2.5 and could even be seen in daytime.| www.constellation-guide.com
Barnard’s Star (Gliese 699) is a red dwarf located only 5.96 light-years away in the constellation Ophiuchus. It is the fourth nearest individual star to Earth, after the three components of the Alpha Centauri system.| Star Facts
Learn about the 88 modern constellations, their names, history, how to identify them, why we see different constellations at different times of year, and other fun facts.| www.constellation-guide.com
Alniyat (σ Sco) is a hot blue giant star in a multiple star system located 568 light-years away in the constellation Scorpius. It is one of the two bright stars flanking the supergiant Antares.| Star Facts
Messier 80 (M80) is a globular cluster located in the southern constellation Scorpius. The cluster has an apparent magnitude of 7.87 and lies at a distance of 32,600 light years from Earth. It has the designation NGC 6093 in the New General Catalogue. Messier 80 has an apparent diameter of 10 arc minutes, corresponding to… Read More »Messier 80| Messier Objects
Messier 4 (M4) is a bright globular cluster located in the southern constellation Scorpius. It lies at an approximate distance of 7,200 light years from Earth and has an apparent magnitude of 5.9. The cluster has the designation NGC 6121 in the New General Catalogue. M4 was discovered by the Swiss astronomer and mathematician Jean-Philippe Loys… Read More »Messier 4| Messier Objects
Sagittarius is a large constellation in the southern sky. It is one of the constellations of the zodiac. It contains the Milky Way centre and some of the best known nebulae in the sky.| www.constellation-guide.com
Acrab (β Sco Aa) is the primary component in a multiple star system located 400 light-years away in the constellation Scorpius. It is one of the bright stars that outline the Scorpion's claws.| Star Facts
Alpha Centauri (α Cen) is a triple star system located at a distance of 4.37 light years from Earth in the constellation Centaurus. It is the nearest star system to the Sun and hosts the nearest extrasolar planets to Earth.| Star Facts
Scorpius is a zodiac constellation located in the southern sky. It is home to Antares, one of the brightest stars in the sky, and to the bright open clusters Messier 6 (the Butterfly Cluster) and Messier 7 (Ptolemy's Cluster).| www.constellation-guide.com
Zeta Ophiuchi (ζ Oph) is a hot blue star located 366 light-years away in the constellation Ophiuchus. It is the closest O-type to Earth. Shining at magnitude 2.57, it is the third brightest star in Ophiuchus.| Star Facts
Ophiuchus, the Serpent Bearer, is a large constellation near the celestial equator. Representing the healer Asclepius in Greek mythology, the constellation is visible from both hemispheres.| www.constellation-guide.com
Antares, Alpha Scorpii (α Sco) is a red supergiant and supernova candidate located at a distance of 550 ly from Earth in the constellation Scorpius. It is the brightest star in Scorpius and one of the brightest stars in the sky.| Star Facts
Messier 107 (M107) is a globular cluster located in the constellation Ophiuchus. It lies at a distance of 20,900 light years from Earth. It has the designation NGC 6171 in the New General Catalogue. M107 occupies an area of 13 arc minutes of the apparent sky, corresponding to a linear diameter of 79 light years.… Read More »Messier 107| Messier Objects
Greek constellations are the 48 ancient constellations listed by the Greek astronomer Claudius Ptolemy in his Almagest in the 2nd century CE. Most of them are associated with stories from Greek mythology.| www.constellation-guide.com