NGC2237: The Rosette Nebula. I shot this last year but this narrowband image is much better. It’s about five hours of data shot over three nights in mono narrowband and edited with the Hubble palette.
SHO Palette
HA 34 x 300 Sec ( 2 hours and 50 Minutes)
OIII 40 X 300 Sec ( 3 hours and 20 Minutes)
SII 13 X 300 Sec (1 hour and 5 minutes)Astro Pixel Processor Workflow for each set; HA, SII and OIII:0) Defaults1) Single Session Processing: Sorting frames: quality2) Checked create 32-bit Masters3) 1000 stars4) Defaults5) Defaults6) Lights to stack 90%, integrate Average, filter Winsorized Rejection, LNC Degree. 2nd degree, x2 Drizzle
PixInsight Workflow
ynamic crop, EZ DenoiseNo Dynamic Background Extraction; Too Much NebulosityCombined with Pixel Match into SHO Palette R=SII G= (Ha*.8)+(SII*.2) B=OIIIconservative Masked Stretch, Background Neutralization, Color Calibration, SCNR GreenStarXterminator to make Stars and Starless imagesCurves Transformation on Starless for saturation and contrast using color masksRangemask and Unsharp Mask on Starless to enhance brighter structuresDark structure enhance script on StarlessConvolution on Stars image to smooth out the stars slightlyCurves Transformation on Stars Image for saturation and contrastCreate final version using PixelMath stars+StarlessSave Image as 16 bit TIFF for LightRoomLightroom:Slight Exposure increaseIncrease Whites slightlyAdditional Color Balance via Tone CurveLuminescence adjustment via HSL
Comments