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Minkowski 2-9, abbreviated M2-9 (also known as Minkowski's Butterfly, Twin Jet Nebula, the Wings of a Butterfly Nebula, or just Butterfly Nebula) is a planetary nebula discovered by Rudolph Minkowski in 1947. The bipolar nebula takes the peculiar form of twin lobes of material that emanate from a central star.
(FSQ106, 1.6x, ASI294MM, LRGB: 135 min, Lijiang)