NGC 6820 and NGC 6823

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You can help expand this article with text translated from the corresponding article in French. Click [show] for important translation instructions. View a machine-translated version of the French article. Machine translation, like DeepL or Google Translate, is a useful starting point for translations, but translators must follow the LLM translation guideline, revise errors as necessary and confirm that the translation is accurate, rather than simply copy-pasting machine-translated text into the English Wikipedia. Do not translate text that appears unreliable or low-quality. If possible, verify the text with references provided in the foreign-language article. You must provide copyright attribution in the edit summary accompanying your translation by providing an interlanguage link to the source of your translation. A model attribution edit summary is Content in this edit is translated from the existing French Wikipedia article at [[:fr:NGC 6823]]; see its history for attribution. You may also add the template {{Translated|fr|NGC 6823}} to the talk page. For more guidance, see Wikipedia:Translation.

NGC 6820 and NGC 6823

Emission nebula
NGC 6820/NGC 6823
Observation data: J2000.0 epoch
Right ascension	19h 42m 27.92s
Declination	+23° 05′ 14.7″
Distance	6,000 ly
Apparent magnitude (V)	7.1
Apparent dimensions (V)	40 arcmins
Constellation	Vulpecula
Designations	NGC 6820, Sh 2-86, GC 5945, Marth #401 NGC 6823, GC 4512, JH 2049, WH VII
See also: Lists of nebulae

NGC 6820 is an emission nebula that surrounds the much smaller open cluster NGC 6823 in Vulpecula.

Messier 27 is found three degrees to the east, and α Vulpeculae three degrees to the west.

NGC 6820

The emission nebula NGC 6820 was discovered by Albert Marth on August 7, 1864. The nebula is being pushed out and away by the radiation from the stars of NGC 6823, creating huge 'pillars' of gas and dust, similar to the pillars of creation.

NGC 6823

NGC 6823 was discovered by William Herschel on July 17, 1785. It is about 50 light-years across and lies about 6,000 light-years away. The center of the cluster formed about two million years ago and is dominated in brightness by a host of bright young blue stars. Outer parts of the cluster contain even younger stars. It forms the core of the Vulpecula OB1 stellar association.

Image gallery

• 
  NGC 6820 imaged by the Gemini North Telescope
• 
  NGC 6820/NGC 6823 – Courtesy: Hunter Wilson
• 
  NGC 6823

References

External links

Wikimedia Commons has media related to NGC 6820.

Wikimedia Commons has media related to NGC 6823.

• National Optical Observatory Archived 2014-07-01 at the Wayback Machine