
Rosette Nebula (NGC 2244)
A flower of gas with a star cluster glowing at its heart.
This photograph is also available in the shop as a full-resolution digital file.
Buy in the shopAbout the object
The Rosette in Monoceros lies about 5,000 light years away. The star cluster NGC 2244 at its centre is so young and hot that its radiation and winds have blown a large cavity in the surrounding cloud – which is why the nebula forms a ring.
How the image was made
- Captured
- 3 November 2025 (start, several nights)
- Total exposure
- 6 h 00 min (120 × 180 s)
- Camera
- ZWO ASI2600MC Pro
- Mount
- ZWO AM5N
- Location
- Banská Bystrica, Slovakia (home observatory)
- Calibration & stacking
- Siril 1.4.0-beta4
- Processing
- Adobe Lightroom 9.0 (Windows)
Data from the original file’s metadata or from the author.