Every room in the observatory — where it lives in the menus, what it answers, and how to run it. When lost, start here.
How the site is laid out
The top bar has six pages (Home · Method · Learn · Parīkṣā · Essays · About), a gold Your Chart button, an Instruments ▾ dropdown grouped into five families, plus three quick actions: Ask Arka (opens the Oracle), Today (your daily sky), and the search (press /). Everything below is reachable from those. Breadcrumbs read Menu → Group → Item.
Every instrument computes from a real ephemeris — nothing is invented. When a room asks for a chart and you have none, cast one first in Your Chart; it is saved and every other room reads it.