Image story

What to look for

Look for the dark horse-head silhouette cut into the glowing IC 434 hydrogen field, with the Flame region nearby in the wider composition.

Capture lesson: The capture challenge is holding the dark silhouette against the much brighter surrounding hydrogen emission.

Context source: Gallery acquisition record + Orion nebulae notes

Capture recipe

How this frame was made

William Optics RedCat 61 · ZWO ASI2600MC Pro · ZWO AM5 · Filters: l-eNhance · 496 x 180s subs · 24h 48m integration

See the full acquisition facts

Cosmic passport

Horsehead Nebula

Acquisition record
Catalog identity
Barnard 33 / IC 434
Sky region
Orion
Captured
2024-01-31
Recorded field of view
3.0637 x 2.2976
Recorded frame
4266 x 3200
Total integration
24h 48m
Optics
William Optics RedCat 61
Apparent scale

The recorded frame is about 6.1 full-Moon widths across its long edge.

Calculation note: recorded FOV ÷ 0.5° apparent full-Moon diameter. This describes the captured field, not the physical size or distance of the object.