NGC 6559

NGC 6559

Nebula
NGC 6559 taken by the Danish 1.54-metre telescope located at ESO’s La Silla Observatory.
Observation data: J2000 epoch
Right ascension	18h 09m 56.8s [1]
Declination	−24° 06′ 23″ [1]
Constellation	Sagittarius [2]
Designations	ESO 521-40, LBN 28, LBN 007.03-02.26 [3]
See also: Lists of nebulae

NGC 6559 is a star-forming region located at a distance of about 5000 light-years from Earth, in the constellation of Sagittarius, showing both emission (red) and reflection (bluish) regions. NGC 6559 is relatively small at only a few lightyears across. ^[4] The nebula is found within Sharpless 29, an irregular H II region. ^[5]

References

1. "NED results for object NGC 6559". Extragalactic Database. NASA/IPAC. Retrieved 2 May 2013.
2. "An Anarchic Region of Star Formation". ESO Press Release. Retrieved 2 May 2013.
3. "NGC 6559". SIMBAD . Centre de données astronomiques de Strasbourg . Retrieved 2 May 2013.
4. Urrutia, Doris Elin (13 December 2017). "Colorful Cosmic Clouds Glow in Dazzling Image of Stellar Nursery". Space. Retrieved 22 July 2025.
5. "Incredible image of stellar nursery Sharpless 29". Astronomy Magazine. Garching, Germany. 13 December 2017. Retrieved 21 July 2025.

External links

• Media related to NGC 6559 at Wikimedia Commons
• NASA Astronomy Picture of the Day: Three Nebular in Narrow Band (2 November 2007) — one of the three nebulae shown was NGC 6559
• NASA Astronomy Picture of the Day: Stars, Dust and Nebula in NGC 6559 (2 August 2009)
• NGC 6559 Archived 2015-07-16 at the Wayback Machine