Stylized Skybox / Panorama

Equirectangular panoramic sky concept for a game world: alien twilight sky over a vast crater archipelago sea, twin moons (one cracked with a ring), slow green aurora bands, warm amber near horizon fading to deep indigo zenith with unusual but believable constellations, a faint debris ring across the sky, soft volumetric clouds below viewpoint, seamless spherical panorama concept, painterly game art, no ground except distant sea rim, neutral exposure for lighting reference, 360 equirectangular layout --ar 2:1 --style raw