Jason Nishiyama
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With astronomical images, the colours can be set to mean different things if special filters were used. In this image the red channel was through a [SII] filter, the green through a Halpha filter and the blue through a [OIII] filter. This means red shows S, green H and blue O.

@evilscientistca any chance you could use at least 1 hashtag of your choosing? Would love to follow these in a timeline. #astronomy? #photography etc Love your work!

@evilscientistca sounds great! Thank you for inspiring everyone with your passion!

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