Sharpless 102 aka Sh2-102 in HaRGB

Sh2-102 HaRGB


Here's just the H-Alpha data:

Sh2-102 H-Alpha Channel


Sh2-102 HaRGB
Camera: Moravian G4 w Astrodon Gen II LRGB filters
Scope: Astro-Physics AP155EDF w 4" FF
Mount: SB Paramount MX
Guiding: SBIG ST402ME on Borg 60 guidescope
8/8/8 x 10min each for RGB
12 x 20min H-Alpha
Lucknow, Ontario, Canada
July 2024
Images captured with TheSkyX
Session orchestrated by CCD-Commander
Calibration and processing of the RGB and H-Alpha in PixInsight as follows:
RGB: SPCC, BlurX, NoiseX, Gradient, Curves, HistogramTransform, SCNR, save-as-TIFF
H-Alpha: BlurX, NoiseX, StarX, HT and LHE on the starless component, stars back in via PixelMath, save-as-TIFF

Photoshop processing
Split Channels then layer in the H-Alpha on Red at 100% and Blue at 20% , flatten, Merge Channels
Selective Colour and Colour Balance layers, Levels adjustment, Square Crop, Save-for-Web

Click on the image to see it enlarged.

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