Just 62 minutes of captured 10s frames were used to build the Mosaic. I used all of the time that this combination of nebulae was above my horizon before it set behind the mountain. Stacked in Siril using the DSA_Seestar_Mosaic_Preprocessing.ssf Siril script. Cropped, background extracted, denoised and part stretched in GraXpert, stars removed by Starnet++ sharpened and denoised in SetiAstro Suite. Separately sharpened in G'Mic Gimp plugin and finished in Gimp. The final canvass size is 1929 x 3502 compared with a normal Seestar S50 image of 1088 x 1920.
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Mosaic of The Lagoon and Trifid nebulae
HOO rendering using the PixInsight Toolbox script CreateHubblePaletteFromOSC then finishing in Gimp.
Steve Wainwright and Nicola Mackin
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