Narrowband

Imaging through filters that pass only a few nanometres of light around a single emission line. It cuts straight through light pollution and moonlight, and it is how most of these targets were captured.

The Bubble Nebula (NGC 7635) in Cassiopeia, a shell of gas blown outward by a hot massive star against surrounding hydrogen clouds
Bubble Nebula
The Bubble Nebula, also known as NGC 7635, is a spectacular emission nebula located in the constellation Cassiopeia.
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The Cave Nebula (Sh2-155) in Cepheus, a dark cave-like hollow rimmed by glowing hydrogen along a bright ionization front
Cave Nebula
The Cave Nebula, also known as Sh2-155, is an intriguing emission nebula located in the constellation Cepheus.
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The Horsehead Nebula (Barnard 33) in Orion, a dark horse-head-shaped dust cloud silhouetted against the red glow of IC 434
Horsehead Nebula
The Horsehead Nebula, designated as Barnard 33 (B33), is a captivating dark nebula situated in the Orion Molecular Cloud Complex.
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The Jellyfish Nebula (IC 443) in Gemini, the wispy trailing filaments of an ancient supernova remnant
Jellyfish Nebula
The Jellyfish Nebula, also known as IC 443, is a captivating supernova remnant located in the constellation Gemini.
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The Pacman Nebula (NGC 281) in Cassiopeia, an emission nebula whose dark dust lanes give it a wedge-mouthed profile
Pacman Nebula
The Pacman Nebula, officially known as NGC 281, is a captivating emission nebula residing in the constellation Cassiopeia.
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Pickering's Triangle (NGC 6979) in Cygnus, delicate interlacing filaments within the Veil supernova remnant
Pickering's Triangle
Pickering's Triangle, also known as NGC 6979, is a captivating supernova remnant located in the constellation Cygnus.
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The Rosette Nebula (NGC 2237) in Monoceros, a flower-like ring of ionized hydrogen surrounding the open cluster at its center
Rosette Nebula
The Rosette Nebula, designated as NGC 2237, is a stunning emission nebula located in the constellation Monoceros.
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The Tadpole Nebula (IC 410) in Auriga, an emission nebula holding the two tadpole-shaped dust columns near its central cluster
Tadpole Nebula
The Tadpole Nebula, designated as IC 410, is a striking emission nebula located in the constellation Auriga.
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The Tulip Nebula (Sh2-101) in Cygnus, a blossom-shaped cloud of ionized hydrogen
Tulip Nebula
The Tulip Nebula, also known as Sh2-101, is a captivating emission nebula situated in the constellation Cygnus.
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