Framing of the Milky Way in central constellation Cygnus containing a rich assortment of nebulas. Throughout is the pinkish-red lacework of star-formi
Framing of the Milky Way in central constellation Cygnus containing a rich assortment of nebulas. Throughout is the pinkish-red lacework of star-forming emission nebulas made of glowing hydrogen gas, most prominent at top around the star Sadr, in a complex called IC 1318, here partly cut off. At bottom right is the flower-shaped Tulip Nebula, aka Sh2-101. A small round nebula at centre left is Sh2-104. At centre is the magenta Crescent Nebula, aka NGC 6888. While this is also an emission nebula, it is a bubble blown out by a hot star called a Wolf-Rayet star near the end of its life. The pale arc below it is another example of a Wolf-Rayet nebula, known only as WR134. The field is also laced with lots of dusty dark nebulas, some very dark such as the distinct Barnard nebula called B145 at right of centre. Below it is a large region of yellower sky created by less opaque but still light-absorbing dust, a region with a distinct edge catalogued as LDN 862 (Lynds Dark Nebula).
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Keywords: -, 862, 1318, 6888, astronomical, astronomy, astrophysical, astrophysics, b145, barnard, constellation, constellations, crescent, cygnus, dark, death, dusty, earth, emission, evening, formation, gas, glowing, hydrogen, ic, ldn, lynds, milky, nebula, nebulae, nebulas, ngc, night, observation, red, sadr, sh2-101, sh2-104, sky, space, star, star-forming, starry, stars, tulip, wolf-rayet, wr134
