NGC 6842

NGC 6842
Nebula
Observation data: epoch
Right ascension19h 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"
ConstellationCygnus
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. It was independently discovered three times. First on 28 June 1863 by Albert Marth. Secondly, by Heinrich Louis d'Arrest on 26 August, 1864. Finally, on 26 August 1864 by Truman Henry Safford. It was later identified as a planetary nebula by Heber Doust Curtis in 1919.

The central star is magnitude 16.2

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".