Horsehead Nebula (Barnard 33)
A dark horse's silhouette against glowing hydrogen – one of the best-known shapes in the night sky.
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Buy in the shopAbout the object
The Horsehead (Barnard 33) is a dense cloud of dust in Orion, about 1,400 light years away. We only see it because it blocks the light of the glowing nebula IC 434 behind it. The blue-white nebula near the bottom is the reflection nebula NGC 2023, lit by a young, hot star.
How the image was made
- Captured
- 18 November 2025
- Total exposure
- 3 h 40 min (44 × 300 s)
- Camera
- ZWO ASI2400MC Pro
- Focal length
- 2 861 mm
- Mount
- Celestron (ovládač CGEM/CGX)
- Location
- Banská Bystrica, Slovakia (home observatory)
- Calibration & stacking
- Siril 1.4.0-rc2
- Processing
- Adobe Lightroom 9.0 (Windows)
Data from the original file’s metadata or from the author.