This nebula is also known as NGC 2264 I'm fairly certain the [christmas tree](https://i.imgur.com/vK4WITC.png) is the entire nebula when the photo is inverted, and not just the cone nebula at the very end of it. Captured on November 17th, 2022, from a Bortle 4 zone.
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**[Equipment:](https://i.imgur.com/ejpKkwU.jpg)**
* TPO 6" F/4 Imaging Newtonian
* Orion Sirius EQ-G
* ZWO ASI1600MM-Pro
* Skywatcher Quattro Coma Corrector
* ZWO EFW 8x1.25"/31mm
* Astronomik LRGB+CLS Filters- 31mm
* Astrodon 31mm Ha 5nm, Oiii 3nm, Sii 5nm
* Agena 50mm Deluxe Straight-Through Guide Scope
* ZWO ASI-290mc for guiding
* Moonlite Autofocuser
**Acquisition:** 4 hours 2 minutes (Camera at half unity gain, -15°C)
* L- 62x120"
* R- 20x120"
* G- 20x120"
* B- 19x120"
* Ha -47x300" x 2 panels
* Darks- 30
* Flats- 30 per filter
**Capture Software:**
* Captured using [N.I.N.A.](https://nighttime-imaging.eu) and PHD2 for guiding and dithering.
**PixInsight Processing:**
* BatchPreProcessing
* SubframeSelector
* StarAlignment
* [Blink](https://youtu.be/sJeuWZNWImE?t=40)
* ImageIntegration
* DrizzleIntegration (2x, Var β=1.5)
**Linear:**
* DynamicCrop
* automaticBackgroundExtraction
* EZ Decon
* NoiseXTerminator
**Stretching Luminance:**
* MaskedStretch to 0.1 background
* Starnet++ starmask made, subtracted from 0.3 Gray image and colvolved
* Previous image used as a mask to stretch nebulosity without stretching stars
* Normal HistogramTransformation
**RGB Linear:**
* Channelcombination to combine monochrome images into RGB image
* SpectroPhotometricColorCalibration
* SCNR green
* HSV Repair
* ArcsinhStretch + HT to bring nonlinear
**Nonlinear:**
* LRGBCombination with stretched luminance
* Shitloads of CurveTransformations to adjust lightness, saturation, contrast, hues, etc.
* Extract L --> LRGBCombination for chrominance noise reduction
* More curves
* SCNR to remove some background greens
* LocalHistogramEqualization
> Two rounds of this. one at size 16 for the finer 'feathery' details and one at size 500 for large scale structures
* ColorSaturation
* even more curves
* NoiseXTerminator
* EZ Star Reduction
* noise generator to add noise back into star reduced areas
* MLT for chrominance noise reduction
* Resample to 60%
* Annotation
lefty7283
