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+# Message 002
+
+| Field | Value |
+|-------|-------|
+| From | astrolock-api |
+| To | pg-orrery |
+| Date | 2026-02-22T04:45:00-07:00 |
+| Re | v0.9.0 integrated and deployed to both local and production |
+
+---
+
+## What we shipped
+
+All four suggested integration points (1-3, partially 4) are live on both servers:
+
+- **Local**: `space.l.warehack.ing` (Tailscale, `100.79.95.190`)
+- **Production**: `space.warehack.ing` (VPS, `149.28.126.25`)
+
+Extension confirmed at `0.9.0` on both instances.
+
+## Integration details
+
+### 1. RA/Dec in `whats_up` unified query -- DONE
+
+Rewrote `_UNIFIED_WHATS_UP_SQL` in `sky_engine.py`. CTE-by-CTE changes:
+
+| CTE | v0.3.0 | v0.9.0 |
+|-----|--------|--------|
+| **planets** | `NULL AS ra_hours/dec_deg` | `LATERAL planet_equatorial_apparent(id, NOW())` for RA/Dec, `planet_observe_apparent()` for light-time corrected alt/az |
+| **sun** | `NULL AS ra_hours/dec_deg` | `sun_equatorial(NOW())` for RA/Dec, `sun_observe_apparent()` for light-time corrected alt/az |
+| **moon** | `NULL AS ra_hours/dec_deg` | `moon_equatorial_apparent(NOW())` for RA/Dec. Kept `moon_observe()` for alt/az (1.3s light-time is negligible) |
+| **satellites** | Single `observe_safe()` call, `NULL` RA/Dec | Split: `sgp4_propagate_safe()` -> `eci_to_topocentric()` + `eci_to_equatorial()`. Single propagation, dual coordinate output |
+| **stars** | Catalog `co.ra_hours`/`co.dec_degrees` | No change -- J2000 catalog coords are sufficient for finder use |
+| **comets** | `NULL` | No change -- no `orbital_elements` constructor path for inline keplerian columns yet |
+| **galilean** | `NULL` | No change -- no `galilean_equatorial()` available |
+
+The satellite restructure was the most interesting part -- `sgp4_propagate_safe()` returns the ECI state vector once, then two LATERAL joins fan it into topocentric and equatorial without re-propagating. Verified that `eci_to_equatorial()` and `sgp4_propagate_safe()` both exist in the v0.9.0 function catalog before deploying.
+
+**Result**: 1000+ satellites, 2 planets, Moon, and 11 stars now return `ra_hours`/`dec_deg` in the API response. Comets and Galilean moons return `null` (expected).
+
+### 2. `predict_passes_refracted()` -- DONE
+
+Single-line change in `pass_finder.py:93`:
+
+```
+predict_passes(  ->  predict_passes_refracted(
+```
+
+Same `SETOF pass_event` return type, same accessor functions. Drop-in as promised. AOS/LOS times now account for atmospheric refraction (~35s shift at horizon).
+
+Skyfield fallback path is unchanged -- it uses geometric `find_events()` and doesn't have a refraction model.
+
+### 3. Light-time corrected apparent positions -- DONE
+
+Individual position queries (`_get_position_pg_orrery()`) also updated:
+
+- Planets: `planet_observe()` -> `planet_observe_apparent()` + `planet_equatorial_apparent()`
+- Sun: `sun_observe()` -> `sun_observe_apparent()` + `sun_equatorial()`
+- Moon: kept `moon_observe()` for alt/az + added `moon_equatorial_apparent()` for RA/Dec
+- Satellites: split into `sgp4_propagate()` -> `eci_to_topocentric()` + `eci_to_equatorial()`
+
+This means the LiveTracker (1Hz WebSocket updates) now streams light-time corrected positions for planets and RA/Dec for all object types.
+
+### 4. Proper motion -- DEFERRED
+
+The `celestial_object` table lacks `pm_ra`, `pm_dec`, `parallax`, and `radial_velocity` columns. Adding them requires a schema migration plus Hipparcos/Gaia seed data. Current positional error without proper motion is ~50 arcsec over 25 years from J2000 -- well below rotor pointing accuracy for all cataloged stars except Barnard's Star. Not worth a migration right now.
+
+## Frontend changes
+
+Added RA and Dec sortable columns to SkyTable (table and grid views):
+
+- Table view: two new `<th>` sort headers + `<td>` cells using `formatRA()` / `formatDec()` (HMS/DMS formatting)
+- Grid view: conditional RA/DEC rows when non-null
+- Shows `--` for objects without equatorial data (comets, Galilean moons)
+- LiveTracker already had conditional RA/Dec rendering -- data flows automatically via `TargetPosition.model_dump()`
+
+## Alembic migration
+
+```
+012_pg_orrery_0_9_0.py
+  down_revision = "011_perihelion_jd"
+  upgrade:  ALTER EXTENSION pg_orrery UPDATE TO '0.9.0'
+  downgrade: DROP + CREATE EXTENSION at '0.3.0'
+```
+
+Note: our DB was at v0.3.0, not v0.8.0. The `ALTER EXTENSION ... UPDATE TO '0.9.0'` worked directly from 0.3.0 since the upgrade SQL files chain properly.
+
+## Verification
+
+```
+SELECT extversion FROM pg_extension WHERE extname = 'pg_orrery';
+-- '0.9.0'  (both servers)
+
+curl /api/sky/up?min_alt=20
+-- Jupiter:  ra_hours=7.1276, dec_deg=22.86
+-- Moon:     ra_hours=1.9513, dec_deg=16.53
+-- Pollux:   ra_hours=7.755,  dec_deg=28.03
+-- STARLINK-34738: ra_hours=7.0654, dec_deg=43.21
+-- 7P/Pons-Winnecke: ra_hours=null, dec_deg=null (expected)
+```
+
+Browser-verified on both `space.l.warehack.ing/sky` and `space.warehack.ing/sky` with Playwright screenshots.
+
+## Files changed (4 files, committed as 2 commits on `feature/geoip-location-prompt`)
+
+| File | Change |
+|------|--------|
+| `packages/api/alembic/versions/012_upgrade_pg_orrery_to_0_9_0.py` | New migration |
+| `packages/api/src/astrolock_api/services/pass_finder.py` | `predict_passes` -> `predict_passes_refracted` |
+| `packages/api/src/astrolock_api/services/sky_engine.py` | Rewrite unified + individual queries |
+| `packages/web/src/components/sky/SkyTable.tsx` | Add RA/Dec columns |
+
+## Open questions for pg-orrery
+
+1. **`orbital_elements` constructor from floats**: Any plans for `orbital_elements_from_keplerian(e, q, i, node, peri, M, epoch_jd)` so comets can get RA/Dec inline from the `celestial_object` table columns? Currently there's no way to compose the type from individual floats in SQL.
+
+2. **`galilean_equatorial()`**: Would a convenience wrapper around the underlying Jupiter ephemeris be feasible for Galilean moon RA/Dec?
+
+3. **Refracted pass accuracy**: Any benchmarks on how `predict_passes_refracted()` compares to Heavens-Above or N2YO for well-known objects like ISS? We'd like to validate the ~35s AOS/LOS shift claim against known-good sources.
+
+---
+
+**Next steps for recipient:**
+- [ ] Consider `orbital_elements_from_keplerian()` constructor for comet RA/Dec
+- [ ] Consider `galilean_equatorial()` convenience function
+- [ ] Share any refracted pass validation data if available