Messier 57 (M57), also known as the Ring Nebula, is a well-known planetary nebula located in the northern constellation Lyra. The Ring Nebula has an apparent magnitude of 8.8 and lies at an approximate distance of 2,300 light years from Earth. It has the designation NGC 6720 in the New General Catalogue. Messier 57 lies… Read More »Messier 57: Ring Nebula| Messier Objects
The Eskimo Nebula is a bipolar planetary nebula located in Gemini constellation. It is sometimes also known as the Clown Face Nebula. The nebula has the designation NGC 2392 in the New General Catalogue.| 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
Cygnus, the Swan, is one of the largest northern constellations. Recognizable for the Northern Cross, it is home to the bright supergiant Deneb, the North America Nebula (NGC 7000) and the Gamma Cygni Nebula (IC 1318).| www.constellation-guide.com
The Caldwell catalogue is a list of 109 bright deep sky objects that can be observed with amateur telescopes. It serves as a supplement to the Messier catalogue and includes deep sky objects in the far southern sky.| 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 Spiral Planetary Nebula (NGC 5189) is a planetary nebula located approximately 1,780 – 3,000 light-years away in the southern constellation Musca (the Fly). It can be seen in small and medium telescopes.| www.constellation-guide.com
Deneb (α Cyg) is a blue-white supergiant located 2,615 light-years from Earth in the constellation Cygnus. The luminous star forms the Summer Triangle with Vega and Altair.| Star Facts