Northern Trifid
NGC1579, better known as the Northern Trifid, is located in Perseus and is about 2100 light years away. There's lots of dust around this region and the starlight reflects this to produce blue reflection regions. The red glow is created by dust scattering and the subsequent reddening of the light from an embedded young and massive star located within the nebula. This is an LRGB image with the Ha blend into the red channel and represents about 18 hours integration time.
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