Orion cloud complex from my back yard.
Equipment
- Nikon D610
- iOptron Skyguider Pro
- 11 Frames captured at ISO 800, 45 seconds, f/2.8
- Processed using all libre software.
Software
- Debian GNU/Linux buster
- Siril (GPLv3 license)
- Global Star Alignment (deep sky)
- Sum Stacking
- Winsorized Sigma Clipping – all images in sequence
- Background Extraction
- Color Calibration
- Auto stretching
- Raw Therapee (GPLv3 license)
- LAB noise reduction
- Cropping
- GIMP 2.8 (GPLv3 license)
- Saturation
- Sharpening
| EXIF | |
|---|---|
| ExposureTime | 42.2 |
| FNumber | 2.8 |
| FocalLength | 200.0 mm |
| CreateDate | 2018-03-10 21:35:40 |
| Lens | 70-200mm f/2.8 |
| ISO | 800 |
| Model | NIKON D610 |
| Make | NIKON CORPORATION |