NGC 6842

Last updated
NGC 6842
Nebula
NGC 6842 PanS.jpg
Observation data: epoch
Right ascension 19h 55m 02s
Declination +29° 17′ 21″
Distance4500  ly    (1380  pc)
Apparent magnitude (V)13.2
Apparent diameter1.13 ± 0.23
Apparent dimensions (V)50" x 45" [1]
Constellation Cygnus
Physical characteristics
Absolute magnitude (V)+2.62
DesignationsPN G065.9+00.5, Sh 2-95, VV 245
See also: Lists of nebulae

NGC 6842 is a planetary nebula in Cygnus, along the border with Vulpecula. [2] It was independently discovered three times. First on 28 June 1863 by Albert Marth. Secondly, by Heinrich Louis d'Arrest on 26 August, 1864. [3] Finally, on 26 August 1864 by Truman Henry Safford. It was later identified as a planetary nebula by Heber Doust Curtis in 1919. [4]

The central star is magnitude 16.2 [5]

References

  1. ↑ Curtis, H.D. "Three New Planetary Nebulae".
  2. ↑ Steinecke, Wolfgang. "Revised NGC Data for NGC 6842".
  3. ↑ Seligman, Courtney. "Celestial Atlas NGC Objects: NGC 6800 - 6849".
  4. ↑ "Planetary Nebula NGC 6842".
  5. ↑ "Planetary Nebula NGC 6842 in Vulpecula".
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