M8, M20, & M21

The Lagoon, Trifid, and Open Cluster Neighbor

Exposure
- 48x5-minute sub exposures
- 4 hours total exposure

Equipment Used
- Tele Vue NP-127is
- Starlight Xpress SVXF-M25C
- Celestron CGE
- Tele Vue Focusmaster Focuser
- Tele Vue TV-60is as guide scope
- Hutech UV/IR Cut Filter

Processing
CCDStack
1) Calibration with flats and bias frames
2) Debayer into single RGB frames
3) Image registration
4) Normalization (Auto)
5) Data rejection (STD sigma)
6) Median combine
7) Deconvolution, Positive Constraint, 50 interations

Photoshop CS3:
1) Noel Carboni 'Enhance DSO and Reduce Stars'
2) Color adjustments
3) Save as JPG 100% Quality