The Tulip Nebula (Sharpless 101) is an emission nebula located in Cygnus constellation. It lies at an approximate distance of 6,000 light years from Earth and has an apparent magnitude of 9.0. It occupies an area of 16 x 9 arc minutes of apparent sky and has a linear diameter of about 70 light years. … [Read more…]
The Northern Cross is a prominent asterism formed by the brightest stars in the constellation Cygnus. The constellation is often confused for the asterism because the Northern Cross is much easier to find than the entire constellation.
Cygnus X-1 is a galactic X-ray source located in the northern constellation Cygnus. The X-ray source is believed to be a stellar mass black hole, one created from the collapse of a massive star about 5 to 6 million years ago. It is one of the strongest sources of X-ray emissions discovered and was the first … [Read more…]
Deneb, Alpha Cygni, is the brightest star in Cygnus constellation and the most distant of all first magnitude stars. Deneb is a luminous blue supergiant. It is one of the stars that form the Summer Triangle, along with Altair in Aquila constellation and Vega in Lyra. Deneb is also the brightest star of the Northern … [Read more…]