M42
Orion & Running Man · Emission nebula + reflection · Broadband
~12h total
UV/IR cut
Columbus, OH · Bortle 5
UV/IR cut
Columbus, OH · Bortle 5
The target
First light on the printed OTA. Everything about this image is the story of a scope I didn't fully trust yet, taking a picture of a target that punishes any instrument that doesn't know what it's doing.
Processing
- Stacked in PixInsight (WBPP) with calibration frames
- HDR composite from multiple exposure lengths
- StarXTerminator star removal
- BlurXTerminator deconvolution
- NoiseXTerminator noise reduction
Acquisition
| Type | Emission nebula + reflection |
| Constellation | Orion |
| Distance | 1,344 ly |
| Apparent magnitude | +4.0 |
| Apparent size | 85' × 60' |
| Integration | ~12h |
| Palette | Broadband |
| Filters | UV/IR cut |
| Shot | Dec 2025 |
| From | Columbus, OH · Bortle 5 |
Equipment
| Telescope | 3D-printed 150mm f/5 Newtonian astrograph |
| Camera | ASI533MC Pro |
| Mount | Proxisky Umis20s |
| Filters | UV/IR cut |
| Guiding | SVBony 60mm guide scope · 22mm mini guide cam · PHD2 |