Readable
Typography first. Minimal visual noise. Data should be easier to understand than the interface itself.
Catalogs, annotation, metadata, and publishing tools for people who would rather understand the sky than fight the software.
Typography first. Minimal visual noise. Data should be easier to understand than the interface itself.
Catalogs are generated from authoritative sources rather than maintained by hand.
Everything possible should be inspectable, scriptable, and reusable.