5 HDRI 16K Cosmic Filament Skyboxes

Skies that don't look like ordinary nebulae. Luminous threads and veils of colour fill the whole sphere in these 16K panoramas, for sci-fi scenes that need somewhere truly alien.

The set has an electric blue-cyan sky, a jade and emerald sky, a molten amber and orange sky, and a vivid violet sky with bright arcs. One panorama is different on purpose: a white star cluster alone on deep black, as a calm contrast to the others.

A great fit for:
- Alien worlds and otherworldly cinematics
- Colour-driven sci-fi key art
- Virtual production and concept art
- VR and dome backgrounds

Inside the download:
- 5 panoramas in 32-bit Radiance .HDR, 16384 x 8192 (2:1 equirectangular)
- Numbered contact sheet
- README with notes for Blender, Unreal Engine and Unity

Each cosmic HDRI floods a space scene with its colour, because the HDR image glows evenly across the whole sky, with no single hot spot.

Every file was checked for bad pixels, and the left and right edges join cleanly. Good to know: the four coloured skies are soft light sources, with peaks of about 2 to 5, so add your own key light for hard shadows. The star cluster peaks at about 69. Large files use a lot of memory, so limit the size on import where the full resolution isn't needed.

Texture formats: HDR; Number of textures: 5; Texture resolutions: 16k (16384 x 8192);