15x600s Ha,6x600s S11 binned 2x2 and 5x600s O111 binned 2x2 exposures in combination using the Hubble palette produced this image of the Western Veil, part of a supernova remnant in the constellation Cygnus.
Analysis of the emissions from the nebula has shown the presence of oxygen,sulphur and hydrogen.The nebula was discovered by
William Herschel in 1784.The shock waves forming the nebula are part of a shell visible only when viewed edge-on giving the filamentous appearance(Wikipedia)
The camera a SxTrius 694,on a Takahashi 106 refractor.

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