~8h total
Antlia ALP-T
Columbus, OH · Bortle 5
Antlia ALP-T
Columbus, OH · Bortle 5
The target
The Pelican shares the H-II complex with the North America Nebula but gets a fraction of the attention. The 'beak' is a pillar of dense gas being eroded by UV radiation from nearby O-stars.
Processing
- Stacked in PixInsight (WBPP) with calibration frames
- StarXTerminator star removal
- BlurXTerminator deconvolution
- NoiseXTerminator noise reduction
Acquisition
| Type | Emission nebula |
| Constellation | Cygnus |
| Distance | 1,800 ly |
| Apparent magnitude | +8.0 |
| Apparent size | 60' × 50' |
| Integration | ~8h |
| Palette | HOO |
| Filters | Antlia ALP-T |
| Shot | Jul 2025 |
| From | Columbus, OH · Bortle 5 |
Equipment
| Telescope | 3D-printed 114mm f/4 Newtonian astrograph |
| Camera | ASI533MC Pro |
| Mount | Proxisky Umis20s |
| Filters | Antlia ALP-T |
| Guiding | SVBony 60mm guide scope · 22mm mini guide cam · PHD2 |