2011-01-30 ORION NEBULA - Version C
Version C - Same stack as version A, but stretched to show all the faint hidden detail captured in the outer parts of the nebula with no regard for the brightness of the background sky or for overexposing the core of the nebula. The full shape of the Running Man Nebula is visible in the top left. I didn't make any effort to balance the colours in this one.
50x 30 second exposures were stacked and stretched with PixInsight 1.6, using a Skywatcher 190mm Maksutov Newtonian on an LXD75 mount. Shot with a Canon T1i at prime focus at ISO800.
I used no calibration frames (darks or flats), instead let PI's hot pixel remover work during stacking and reduced the sky glow and vignetting using the Dynamic Background Extractor tool in PI.
Image was sharpened mildly and rescaled to 90% to reduce the file size, and saved to PNG format using The Gimp.
I shot 80x 30 second exposures, dropped the exposures where the stars were not quite round.
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20150325 - An artist at Deviantart used this image in this cool space composition:
2011-01-30 ORION NEBULA - Version C
Version C - Same stack as version A, but stretched to show all the faint hidden detail captured in the outer parts of the nebula with no regard for the brightness of the background sky or for overexposing the core of the nebula. The full shape of the Running Man Nebula is visible in the top left. I didn't make any effort to balance the colours in this one.
50x 30 second exposures were stacked and stretched with PixInsight 1.6, using a Skywatcher 190mm Maksutov Newtonian on an LXD75 mount. Shot with a Canon T1i at prime focus at ISO800.
I used no calibration frames (darks or flats), instead let PI's hot pixel remover work during stacking and reduced the sky glow and vignetting using the Dynamic Background Extractor tool in PI.
Image was sharpened mildly and rescaled to 90% to reduce the file size, and saved to PNG format using The Gimp.
I shot 80x 30 second exposures, dropped the exposures where the stars were not quite round.
~~~~~~~~~~~~~~~~~~~~
20150325 - An artist at Deviantart used this image in this cool space composition: