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 |
| Declination | −24° 06′ 23″ |
| Constellation | Sagittarius |
| 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.