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Barnard 33 / NGC 2024 · Nebula Complex · Orion

HORSEHEAD
& FLAME

A dark molecular silhouette and a blazing emission nebula sharing the same extraordinary field beside Orion’s eastern belt star.

Object TypeDark / Emission Nebulae
CatalogB33 · NGC 2024
ConstellationOrion
PhotographDeep Sky Hawaiʻi
LocationHawaiʻi Island
Sky AtlasStellarium
About the Object

The Horsehead Nebula, Barnard 33, is a dense cloud of cold dust seen in silhouette against the red glow of IC 434. Its famous shape is simply the edge of a much larger molecular cloud, sculpted by radiation and viewed from a fortunate angle.

Nearby NGC 2024, the Flame Nebula, is an active star-forming region crossed by dramatic dark dust lanes. Both lie close to Alnitak, the eastern star of Orion’s Belt, making this field a concentrated display of glowing gas, reflection, absorption, and newborn stars.

The Horsehead itself is Barnard 33, a cold dark cloud seen in silhouette against the glowing hydrogen of IC 434. Nearby, the bright star Alnitak helps energize the Flame Nebula while dust lanes absorb and scatter its light. Within one small field, the scene therefore combines ionized gas, opaque molecular dust, reflection, and active star formation.

Folklore & Mythology

These nebulae sit in Orion, one of the most recognizable figures in the sky. Greek stories describe Orion as a giant hunter, though the details of his birth, death, and relationships vary widely across surviving traditions.

Orion’s Belt is the easiest landmark, and the Horsehead and Flame lie immediately beside its eastern star, Alnitak. The horse and flame names are modern photographic imagery layered onto a constellation whose human figure has been recognized in Mediterranean sky lore for thousands of years.

Orion’s death has several Greek versions, but the recurring theme is that the mighty hunter finally meets something he cannot overcome. In one account a scorpion kills him after his boast that no animal can escape him; in another his relationship with Artemis brings tragedy. The seasonal opposition of Orion and Scorpius in the sky gave storytellers a natural way to preserve that rivalry in the motions of the heavens.

Find It in the Night Sky

Press Play to follow Alnitak to Horsehead & Flame Nebulae. The guide identifies the constellation, traces the landmarks, then finishes with a precise bullseye.

From Alnitak, sweep about 0.5° south to B33 · Horsehead. East is left and north is up at the chart centre. The two bullseyes identify the Horsehead field and the Flame Nebula. The Horsehead is especially challenging visually and should not be expected to look like its photograph.

Deep Sky Hawaiʻi · B33 / NGC 2024

Find
Horsehead & Flame

A guided star hop

Follow the stars to Horsehead & Flame Nebulae.

A guided star hop to Horsehead & Flame Nebulae.

Tap Play to begin.

Chart notes & credits

This is a landmark chart, with north up and east left at its centre, rather than a live view for a particular date or horizon. Dashed lines connect catalogue landmarks; they are directions to sweep, not exact extensions of stellar pointer lines. Distances and directions are calculated from catalogue coordinates. Bullseyes mark reference positions, not objects’ size or visible brightness. The sky’s orientation changes as it moves. Star symbols are enlarged for clarity. Stars: ESA Hipparcos catalogue. Constellation lines: Stellarium Modern skyculture, adapted under CC BY-SA 4.0. Deep-sky reference positions: OpenNGC; individual source links below where applicable. Reference 1. Reference 2.

Select Play to begin. Tap the sky to pause or resume. Four step buttons revisit each landmark. The guide finishes with a stationary bullseye. Replay starts again. Reduced-motion preferences keep the waiting globe still.