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The Red Rectangle Nebula is HD 44179, a protoplanetary nebula in Monoceros discovered in 1973 and notable for its red X-shaped structure.
The Iris Nebula is NGC 7023, a Cepheus reflection nebula discovered by William Herschel in 1794 and illuminated by the young star HD 200775.
The Egg Nebula is CRL 2688, a bipolar protoplanetary nebula in Cygnus whose peculiar properties were first described from 1970s AFGL data.
The Witch Head Nebula is IC 2118, a faint Eridanus reflection nebula illuminated by Rigel and containing molecular gas and young T Tauri stars.
The Blue Horsehead Nebula is IC 4592, a reflection nebula in Scorpius noted for blue dust glow lit chiefly by the star Nu Scorpii.
The Dark Shark Nebula is LDN 1235, a dark molecular cloud in Cepheus associated with reflection nebulae vdB 149 and vdB 150.
The Ghost Nebula is Sh2-136 or vdB 141, a Cepheus reflection nebula and globule catalogued as CB230, with embedded stars lighting its dust.
The Musca Dark Cloud is a nearby dark molecular filament in Musca, measured in 2016 as a roughly 6-parsec velocity-coherent sonic structure.
Swiffer Sweeper Dry Cloths are disposable electrostatic dry-sweeping refill pads for the Swiffer Sweeper system, trapping dust, hair, and debris on hard floors.
The Frosty Leo Nebula is IRAS 09371+1212, a protoplanetary nebula in Leo notable for crystalline ice dominating its far-infrared spectrum.
The Boogeyman Nebula is LDN 1622, a dark molecular cloud in Orion near Barnard's Loop, notable for studies of anomalous microwave emission.
The Westbrook Nebula is CRL 618, a bipolar protoplanetary nebula in Auriga whose fast outflows began shaping the object about 200 years ago.
