IC 434
Horsehead & Flame · Emission + dark nebula · HOO + broadband blend
~9h total
Antlia ALP-T, UV/IR cut
Columbus, OH · Bortle 5
Antlia ALP-T, UV/IR cut
Columbus, OH · Bortle 5
The target
Barnard 33, the iconic silhouette, rides the glowing hydrogen ridge of IC 434. Most of the detail people remember is actually the shape of the dark dust, not the glow behind it.
Processing
- Stacked in PixInsight (WBPP) with calibration frames
- StarXTerminator star removal
- BlurXTerminator deconvolution
- NoiseXTerminator noise reduction
- Broadband data blended for star color
Acquisition
| Type | Emission + dark nebula |
| Constellation | Orion |
| Distance | 1,375 ly |
| Apparent magnitude | +6.8 |
| Apparent size | 60' × 30' |
| Integration | ~9h |
| Palette | HOO + broadband blend |
| Filters | Antlia ALP-T, UV/IR cut |
| Shot | Jan 2026 |
| From | Columbus, OH · Bortle 5 |
Equipment
| Telescope | 3D-printed 150mm f/5 Newtonian astrograph |
| Camera | ASI533MC Pro |
| Mount | Proxisky Umis20s |
| Filters | Antlia ALP-T · UV/IR cut |
| Guiding | SVBony 60mm guide scope · 22mm mini guide cam · PHD2 |