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] |
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.