Celestial hemisphere:  Northern  ·  Constellation: Cepheus (Cep)
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Elephant Trunk Nebula, IC 1396, Hubble Palette, Luminosity Layer, Eric Coles (coles44)
Elephant Trunk Nebula, IC 1396, Hubble Palette, Luminosity Layer
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Elephant Trunk Nebula, IC 1396, Hubble Palette, Luminosity Layer

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Description

This is the composite Luminosity layer used for the Tone Mapped Elephant Trunk Hubble Palette image. The Luminosity layer is primarily the Ha image with the addition of layer screens of starless O3 and S2 images. In this case I used a 25% screen of each. Adding screens of S2 and O3 gives a little more authentic representation of the three emission lines from Hydrogen,Sulfer and Oxygen that make up the Hubble Palette image.

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Elephant Trunk Nebula, IC 1396, Hubble Palette, Luminosity Layer, Eric Coles (coles44)