Vertical 9:16 frame, full-bleed opaque matte gouache landscape, finish continuous to every edge. A vast uninterrupted brushed dusk sky in dusty violet and blue-grey fills the upper four-fifths, deliberately empty of stars, galaxies or planets, one pale peach remnant at the horizon. Along the bottom fifth a low hill carries a tiny observatory dome at the lower right with its observing slit shut, and beside it one small warm doorway rectangle fades as its lamp is switched off. Visibly brushed sky, matte pigment surface. After-sunset violet ambient light. No text, no people visible.