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      SH2 190
      Wallpaper author:
      Jan Zettergren

      09 Jun 2022

      SH2 190

      A new attempt on the SH2-190 with a dragon eating its way out of the Heart Nebula.

      7500 lightyears away in Cassiopeia.

      Started with the SOH dataset from Telescope live with about 26 hours of data from the SPA-1 telescope in Spain, Oria.

      Doing the now standard workflow for me with WBPP, NSG, Drizzle x2 and NoiseXTeminator.

      Continued to do SOH Starless images using Starnet2 that for me works better?? than the StarXTerminator right now. May change rapidly with new upgrades of the AI engines for both programs.

      Made an "RGB" Starimage using Sii and Oiii data

      Got into nonlinear mode.

      Created RGB Starless image with Pxelmath using a dynamic Palette from "The Coldest nights" site.

      Added the "RGB"stars to the Starless RGB in Pixelmath

      Final touching up in Lightroom.

      Dataset from which the image was processed

      Heart Nebula

      8 credit

      Open
      Telescope Live
      SPA-1-CCD
      • Type of target
        ............................................................................................................................
        Emission Nebula
      • Camera
        ............................................................................................................................
        FLI PL16083
      • Target coordinates
        ............................................................................................................................
        RA 38.20592 Dec 61.37839
      • Hemisphere
        ............................................................................................................................
        Northern
      • Telescope location
        ............................................................................................................................
        Spain
      • Transient event
        ............................................................................................................................
        No
      • Observed on
        ............................................................................................................................
        27 Sept 2019 - 20 Nov 2022
      Filter
      Avg Exp (s)
      Total Exposure
      Subframes
      Halpha138510h26
      Luminance2310m26
      Red2310m26
      Green2310m26
      Blue3615m25

      SH2 190