NGC 6881 is a planetary nebula, located in the constellation of Cygnus. It is formed of an inner nebula, estimated to be about one fifth of a light-year...

as Caldwell 33), whose brightest area is NGC 6992, trailing off farther south into NGC 6995 (together with NGC 6992 also known as "Network Nebula") and...

+30° 35′ 43″. As the westernmost NGC object in the nebula (first in right ascension), its number is sometimes used as an NGC identifier for the nebula as...

"Discovery of Multiple Coaxial Rings in the Quadrupolar Planetary Nebula NGC 6881", The Astrophysical Journal, 635 (1): L49–52, Bibcode:2005ApJ...635L..49K...

NGC 6946, sometimes referred to as the Fireworks Galaxy, is a face-on intermediate spiral galaxy with a small bright nucleus, whose location in the sky...

The North America Nebula (NGC 7000 or Caldwell 20) is an emission nebula in the constellation Cygnus, close to Deneb (the tail of the swan and its brightest...

The Crescent Nebula (also known as NGC 6888, Caldwell 27, Sharpless 105) is an emission nebula in the constellation Cygnus, about 5000 light-years away...

embedded star of magnitude 6, NGC 7000 is 1500 light-years from Earth. To the south of Epsilon Cygni is the Veil Nebula (NGC 6960, 6979, 6992, and 6995)...

5 11.4 Aquila NGC 6790 1882 11 10.5 Aquila NGC 6881 1881 13.8 Cygnus NGC 6884 1883 6.5 10.9 Cygnus NGC 6891 1884 7.2 10.5 Delphinus NGC 6886 1884 15.0...

19475+3119 IRAS 20324+4057 Kronberger 61 M1-92 NGC 6826 NGC 6881 NGC 6884 NGC 7008 NGC 7026 NGC 7027 NGC 7048 Soap Bubble Nebula WR Crescent Nebula SNR...