From Wikipedia, the free encyclopedia
|Observation data: J2000 epoch|
|Right ascension||18h 09m 56.8s|
|Declination||−24° 06′ 23″|
|Designations||ESO 521-40, LBN 28, LBN 007.03-02.26|
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.