08 Jan 2026
NGC 1999, also known as The Cosmic Keyhole is a dust-filled bright nebula with a vast hole of empty space represented by a black patch of sky. Located in the Orion constellation.
NGC 1999
20 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 3429 | 20h | 21 |
| Red | 2571 | 15h | 21 |
| Green | 2700 | 15h | 20 |
| Blue | 2700 | 15h | 20 |
| Halpha | 3600 | 20h | 20 |