Planetary nebula · Cygnus

NGC 6826 Blinking Planetary Nebula

Also known as: C15

mag 9.424″ across

About

NGC 6826, the Blinking Planetary Nebula, is a planetary nebula of magnitude 9.4 in Cygnus, about 24″ across.

NGC 6826 is in the constellation Cygnus.
Best evenings: around early September it is highest at about 9 pm (10 pm in summer time); a month earlier, two hours later.
Where on Earth: it is seen well, at least 10° up, from north of 29° S.

When it rises and sets tonight, how high it climbs and how much the Moon gets in the way are worked out in your browser for your place.

EyesNot visible to the naked eye.
Binoculars (10×50)Looks like a faint star.
Telescope (6–8 inch)A small disc or ring of grey-green light; an OIII or UHC filter helps.

For a dark country sky with no Moon. From a city, faint galaxies and nebulae can disappear completely.

Designations	NGC 6826, C15, PN G083.5+12.7
Type	Planetary nebula
Magnitude	9.4The smaller the number, the brighter.
Apparent size	24″the full Moon is 31′ across
Surface brightness	≈ 16.1 mag/arcsec²Estimate from the magnitude and size, per square arcsecond.
Constellation	Cygnus
Right ascension (J2000)	19h 44m 48.1s
Declination (J2000)	+50° 31′ 30″