Mathew81 - 16K Space HDRI Pack – Ultra-Realistic Nebula & Starfield Skyboxes

A collection of 11 cinematic 16K space HDRI skyboxes featuring ultra-realistic nebulae, deep starfields, and seamless equirectangular panoramas. Perfect for Unreal Engine 5, VFX and sci-fi game environments. Not AI, not upscaled.

Watch this VIDEO to see all 11 example levels: https://www.youtube.com/watch?v=jPi2miecnp4

Experience true cinematic deep-space environments with this set of 11 ultra-realistic 16K HDRI maps, designed for Unreal Engine 5 and professional VFX pipelines.

These HDRIs are ideal for sky lighting, reflections, volumetrics, fog, virtual production, and sci-fi cinematics. Each map is rendered in full native 16K resolution (16384×8192)no AI, no upscaling, no composite sources.

🌌 Key Features

11 HDRI skyboxes (nebulae, deep space, starfields, cosmic dust)
Native 16K resolution
2:1 equirectangular projection — perfect spherical skyboxes
True .HDR dynamic range — physically-accurate PBR lighting
Seamless wrap with no visible pole distortion
✔ Works beautifully with Unreal Lumen
✔ Ideal for cinematic sequences, game dev, VR/AR, metaverse, planetarium content