NGC 6445
| Emission nebula | |
|---|---|
| Planetary nebula | |
NGC 6445 by PanSTARRS | |
| Observation data: J2000 epoch | |
| Right ascension | 17h 49m 15s |
| Declination | −20° 00′ 35″ |
| Distance | 4.5 Kly (1.38 Kpc) ly |
| Apparent magnitude (V) | 11.2 |
| Apparent dimensions (V) | 0.53′ × 0.53′ |
| Constellation | Sagittarius |
| Designations | PK 008+03 1, Little Gem Nebula, Box Nebula |
NGC 6445, also known as the Little Gem Nebula or Box Nebula, is a planetary nebula in the constellation Sagittarius. It was discovered by William Herschel on May 28, 1786. The distance of NGC 6445 is estimated to be slightly more than 1,000 parsecs based on the parallax measured by Gaia, which was measured at 0.9740±0.3151 mas.