https://www.legacysurvey.org//viewer/?ra=18.4213&dec=1.1023&layer=hsc-dr2&zoom=16
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oh my lord ~ that’s absolutely staggering ~ great find 
Not sure if it’s a new finding?
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it’s clearly seen even on DR9, so it’s more than likely known ~ good luck 
That’s an extended emission-line region, which I think is nearlythe same as a “voorwerp” which referees this object in SIMBAD, so I think it’s known
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