Astrophotography information
| Astrophotography | Tanzila Tabassum |
| Observing location | USA, Utah (39.422519,-111.714358) |
| Exposure time | 20 min. |
| Telescope | Celestron RASA 11″ (iTelescope – T68), 279/ 620 mm |
| Camera | ZWO ASI071 MC |
| Field of view (resolution) | 2.22° × 1.46° (scales linearly with crop size) Diffraction limit ≈ 0.5″; practical sampling ≈ 1.6″/pixel (≈3.2″ effective) |
| Image processing | Tanzila Tabassum |
| Image processing method | Data preparation Stacking Foreground subtraction Star position calibration Spectrophotometric color calibration Stretching Sharpening and denoising using ML Color saturation |
Astrophysical information
| Object type | Emission and dark nebula |
| Constellation | Orion |
| Distance | 1350 to 1500 ly |
| Angular size | 60′ × 40′ |
| Physical size | 6 ly and 3.5 ly |
| Apparent magnitude | 4.5 |
