
Nebula · Orion
Horsehead Nebula
Barnard 33 / IC 434
The dark Horsehead silhouette set against glowing hydrogen gas beside the Flame Nebula region.
- Type
- Nebula
- Catalog
- Barnard 33 / IC 434
- Region
- Orion
- Captured
- January 31, 2024
- Image size
- 4266 x 3200
- RA
- 85.2595°
- Dec
- -2.2786°
- FOV
- 3.0637 x 2.2976°
- Rotation
- 76.5°
- Optics
- William Optics RedCat 61
- Camera
- ZWO ASI2600MC Pro
- Mount
- ZWO AM5
- Filters
- l-eNhance
- Sub-exposures
- 496 x 180s
- Integration
- 24h 48m
- Sky
- Florida Bortle 6
- Software
- PixInsight
Download original
Reference download only. Written permission is required for printing, publishing, selling, copying, or reuse.
Prints and licensing Take the Horsehead journey Sky map Read the Orion nebulae notesImage story
What to look for
Look for the dark horse-head silhouette cut into the glowing IC 434 hydrogen field, with the Flame region nearby in the wider composition.
Capture lesson: The capture challenge is holding the dark silhouette against the much brighter surrounding hydrogen emission.
Context source: Gallery acquisition record + Orion nebulae notesCapture recipe
How this frame was made
William Optics RedCat 61 · ZWO ASI2600MC Pro · ZWO AM5 · Filters: l-eNhance · 496 x 180s subs · 24h 48m integration
See the full acquisition factsCosmic passport
Horsehead Nebula
Apparent scale
The recorded frame is about 6.1 full-Moon widths across its long edge.
Calculation note: recorded FOV ÷ 0.5° apparent full-Moon diameter. This describes the captured field, not the physical size or distance of the object.


