Hubble’s Variable Nebula (NGC 2261) is a variable nebula located approximately 2,500 light-years away in the constellation Monoceros. It is illuminated by the young variable star R Monocerotis.| www.constellation-guide.com
The Pinwheel Galaxy (M101) is a grand design spiral galaxy located 20.9 million light years away in the constellation Ursa Major. It is one of the brightest and largest spiral galaxies in the sky. It appears in the region of the Big Dipper.| www.constellation-guide.com
The Rosette Nebula is a vast emission nebula associated with an open cluster in Monoceros constellation. It lies at a distance of 5,200 light years. It is a popular target for visual astronomy and astrophotography.| www.constellation-guide.com
The Cave Nebula (Sh2-155, Caldwell 9) is an emission nebula located approximately 2,400 light-years away in the northern constellation Cepheus. With an apparent magnitude of 7.7, it can be observed in medium telescopes.| www.constellation-guide.com
The Coalsack Nebula is one of the best known dark nebulae in the sky, located in the constellation Crux.| www.constellation-guide.com
The Little Sombrero Galaxy (Caldwell 43, NGC 7814) is a spiral galaxy located approximately 40 million light years away in the constellation Pegasus. It can be observed in medium-sized telescopes.| www.constellation-guide.com
The Saturn Nebula (NGC 7009) is a small but bright planetary nebula located 2,000 to 4,000 light years away in the constellation Aquarius. It can be seen in small and medium telescopes.| www.constellation-guide.com
The Ghost of Jupiter (NGC 3242) is a planetary nebula located approximately 4,800 light years away in the constellation Hydra. With an apparent magnitude of 8.60, it can be observed in amateur telescopes.| www.constellation-guide.com
The Cat’s Eye Nebula is a planetary nebula located 3,300 light-years away in the constellation Draco. Named for its intricate appearance, it was one of the first planetary nebulae to be discovered and is one of the most complex planetary nebulae known.| www.constellation-guide.com
The Blinking Planetary Nebula (NGC 6826, Caldwell 15) is a planetary nebula located approximately 2,000 light-years away in the northern constellation Cygnus. It appears in the region of the Swan's wing.| www.constellation-guide.com
The Butterfly Nebula (NGC 6302, Caldwell 69) is a bipolar planetary nebula located approximately 3,400 light-years away in the constellation Scorpius. It can be observed in amateur telescopes.| www.constellation-guide.com
Libra is one of the southern zodiac constellations. It is home to Methuselah Star (HD 140283), one of the oldest stars known, the nearby red dwarf Gliese 581, and the barred spiral galaxies NGC 5885 and NGC 5792.| www.constellation-guide.com
Aquarius is one of the constellations of the zodiac. Representing the Water Bearer, the constellation is home to the yellow supergiants Sadalsuud and Sadalmelik and the famous Helix Nebula.| www.constellation-guide.com
The Blue Snowball Nebula (NGC 7662, Caldwell 22) is a bright planetary nebula located approximately 5,730 light-years away in the constellation Andromeda.It is visible in small and medium telescopes.| www.constellation-guide.com
The Northern Jewel Box Cluster is a bright open cluster located approximately 5,600 light-years away in the constellation Scorpius. It appears in the region of the False Comet asterism and is visible to the unaided eye.| www.constellation-guide.com
R136a1 is a Wolf-Rayet star located approximately 163,000 light-years away in the constellation Dorado. It is one of the most massive and luminous stars known.| Star Facts
AE Aurigae is a hot blue main sequence star located 1,320 light-years away in the constellation Auriga. It illuminates the Flaming Star Nebula (IC 405), an emission and reflection nebula visible in small telescopes.| Star Facts
Orion, the Hunter, is one of the best known constellations in the sky. Home to Orion's Belt, the Orion Nebula, and the bright stars Rigel and Betelgeuse, the constellation lies north of the celestial equator and is visible from both hemispheres.| www.constellation-guide.com
Canis Major is a constellation in the southern sky. It represents the bigger dog following Orion, the Hunter. The constellation is home to Sirius, the brightest star in the sky, and the Canis Major Dwarf Galaxy.| www.constellation-guide.com
Omega Centauri (Caldwell 80, NGC 5139) is the largest and most massive globular cluster in the Milky Way galaxy. With an apparent magnitude of 3.9, the cluster is easily visible to the unaided eye.| www.constellation-guide.com
The Tarantula Nebula (30 Doradus) is a vast star-forming region located approximately 160,000 light-years away in the constellation Dorado. It is part of the Large Magellanic Cloud (LMC), the brightest satellite galaxy of the Milky Way.| www.constellation-guide.com
Carina Nebula (NGC 3372, Caldwell 92) is a large region of bright and dark nebulosity located 8,500 light-years in the constellation Carina. It hosts Eta Carinae, one of the most massive and luminous stars known.| www.constellation-guide.com
Spica's Spanker is a quadrilateral asterism formed by the brightest stars in Corvus. Also known as the Sail, the asterism appears near Spica, the brightest star in Virgo. It can be used to find the Sombrero Galaxy (M104) and the Antennae Galaxies (NGC 4038 and NGC 4039.| www.constellation-guide.com
Procyon, Alpha Canis Minoris (α CMi), is the eighth brightest star in the sky. It is the primary component in a binary star system located 11.46 light-years away in the constellation Canis Minor.| Star Facts
47 Tucanae (NGC 104) is a globular cluster located 14,500 light-years away in the constellation Tucana. With an apparent magnitude of 4.09, it is the second brightest globular cluster in the sky, after Omega Centauri| www.constellation-guide.com