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Western Veil nebula
A part of the Veil nebula complex from Cygnus. This is Pickering’s triangle and Witch’s broom (NGC6960). This supernova remnant glows in Halpha and Oiii frequencies which is perfect for LeXtreme narrowband filter that selects those frequencies. I have tried this image several times before but this 4 … read more
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Remains of exploded stars
As the stars (of the size about 1 to 8 solar masses) age, they get bigger and become red giants. In their outer cooler shell, they start to accumulate elements of higher atomic number as a result of the nuclear fusion that fuels the stars. At a certain point, there is an explosion that expels the … read more
