Ha
The PacMan Nebula
Exposure
- 13 x 30m subs Astronmik 6nm Ha
- 6.5 hours total exposure
Equipment Used
- Tele Vue NP-127is
- SBIG STL-11000M
- Paramount ME
- Tele Vue Focusmaster Focuser
Processing
CCDStack
1) Calibration with flats and darks
2) Image registration
3) Normalization (Auto)
4) Data rejection (STD sigma)
5) Median combine
6) DPP Stretch
7) Export each channel to TIF
Photoshop CS3:
1) 100% center crop
2) Save as JPG 100% Quality