Trifid Nebula
___________________________________
Image:
• Target: M20 | Nebula in Sagittarius
• Apparent Magnitude: +6.3
• Light frames: 29 x 300” @ ISO1600 ( 145 Minutes)
• Dark frames: 14 x 120” @ ISO3200
• Flat frames: 20 x Av Mode @ ISO 3200
• Bias frames: 20 x 1/8000” @ ISO3200
• Guided with Orion SSAG using PHD2
Environmental:
• Location: Yelagiri,Tamil Nadu
• Sky Conditions: Quite Cloudy (Night 1) | Good but a bit Hazy ( Night 2 )
Main Equipment:
• Telescope: Sky-Watcher 8″ f/5 Newtonian Reflector
• Mount: Sky-Watcher NEQ6
• Camera: CentralDS Cooled 5D Mark II Full Spectrum Modified
• Filter: IDAS LPS 2″
Accessories:
• Coma corrector: Sky-Watcher 0.9x Coma Corrector
• Power-Supply: 150AH Inverter Battery with Inverter
Integration and Processing:
• Processed in PixInsight 1.8
• Batch Preprocessing Script with Cosmetic Correction
• Dynamic Crop
• DBE
• Background Neutralisation
• Colour Calibration
• MultiscaleLinearTransform
• Histogram Transformation
• ACDNR
• Saturation Curves
• LHE
• SCNR
• Final Crop and layering of Exposures in PS
