Dark Hours, Done Right: Modeling Sky Darkness and Building With Provenance
astronomy software Aug 09, 2026 6 min read

Dark Hours, Done Right: Modeling Sky Darkness and Building With Provenance

Dark Hours–style night-sky planners turn twilight, moonlight, light pollution, and astro-aware weather into scored “clear dark hour” windows. This guide shows the engineering pieces (geometric-mean scoring, seeing/transparency inputs, horizon glow) and a provenance checklist so AI-generated projects don’t accidentally converge on existing open-source work.

by ahsan
My server is a phone now
devops Aug 09, 2026 7 min read

My server is a phone now

A CMF Phone 1 became a reliable personal server by keeping Android in charge of hardware and power, using Termux for Linux tooling, and runit for supervision. Compatibility layers like proot work for many services, but latency-sensitive workloads benefit from a real chroot into the expected filesystem.

by ahsan