LBN
222 - Bright Nebula in Cygnus
LBN 222 is a "Bright" Nebula in the constellation Cygnus.
Here is just the H-Alpha channel (stars removed)
Camera: Moravian G4 (16803 ccd) camera w Astrodon Gen
II filters
Scope: AP155EDF w 4" FF
Mount: Paramount MX (MKS5000)
Guiding: SBIG ST-402ME via Borg 60mm guidescope
12/12/12 x 10min RGB, 47 x 20 min H-Alpha
Image acquisition using CCD-Commander, TheSkyX
PixInsight Processing:
RGB: GradientCorrection, SPCC, BlurX, NoiseX, StarX then on the
RGB Starless version: Histogram
Transformation (HT), DarkStructureEnhance.
RGB Stars-ONLY: Curves then masked Saturation boost to the highlights.
Stars added back to RGB image using Pixel Math. Save as TIFF
H-Alpha: GradientCorrection, BlurX, NoiseX, StarX,
H-Alpha Starless image
stretched using HT then DarkStructureEnhance. Save as TIFF
Photoshop Processing:
H-Alpha was copied and pasted as a layer
over the RGB three times using Lighten blend mode each time. In each
layer, only one colour was affected and this was: 100% to Red, 6% to
Green and 20% to Blue.
Some blurring of star cores, NoiseX then Save for Web
Click on the image to have your browser resize it for your screen.
Sept 2025
Lucknow Ontario
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