NGC 6842

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]

Right ascension19^h 55^m 02^s

Declination+29° 17′ 21″

Distance4500 ly   (1380 pc)

Apparent magnitude (V)13.2

Quick facts Nebula, Observation data: epoch ...

NGC 6842

Nebula
Observation data: epoch
Right ascension	19h 55m 02s
Declination	+29° 17′ 21″
Distance	4500 ly   (1380 pc)
Apparent magnitude (V)	13.2
Apparent diameter	1.13 ± 0.23
Apparent dimensions (V)	50" x 45"[1]
Constellation	Cygnus
Physical characteristics
Absolute magnitude (V)	+2.62
Designations	PN G065.9+00.5, Sh 2-95, VV 245
See also: Lists of nebulae

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The central star is magnitude 16.2^[5]