NGC 6881

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Planetary Nebula
NGC 6881
NGC 6881 HST.jpg
Photo from the Hubble Space Telescope
AladinLite
Constellation swan
Position
equinox : J2000.0
Right ascension 20h 10m 52.4s
declination + 37 ° 24 ′ 41 ″
Appearance
Apparent brightness  (visual) 13.9 likes 
Apparent brightness  (B-band) 14.3 mag 
Angular expansion 0.27 '
Central star
Physical data
distance 5200 ± 1600 ly 
history
discovery Edward Charles Pickering
Date of discovery November 25, 1881
Catalog names
 NGC  6881 •  PK  074 + 02 • GSC2 N033220122825, 2MASS J20105244 + 3724424, PN VV 250, CSI + 37-20091, Hen 2-456, PN ARO 108, GCRV 12543, IRAS 20090 + 3715, PN G074.5 + 02.1, PN VV '526

NGC 6881 is a planetary nebula in the constellation Swan in the northern sky , which is an estimated 6,000 light years from the solar system. It consists of an inner nebula, about a fifth light-year across, and a symmetrical structure, about a light-year from tip to tip. In the center of the object is a dying star with about 60 percent of the mass of our sun .

The nebula was discovered by Edward Charles Pickering on November 25, 1881 .

Web links

Individual evidence

  1. NASA / IPAC EXTRAGALACTIC DATABASE
  2. a b SEDS : NGC 6881
  3. Seligman