Fixed wrong conversion

Signed-off-by: Cédric Foellmi <[email protected]>
onekiloparsec · Jun 7, 2024 · a5acae9 · a5acae9
1 parent c1caa24
commit a5acae9
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/src/coordinates/horizontal2equatorial.ts b/src/coordinates/horizontal2equatorial.ts
@@ -12,7 +12,7 @@ import { DEG2RAD, H2DEG, RAD2DEG } from '@/constants'
  * @returns {Degree}
  */
 export function getRightAscensionFromHorizontal (jd: JulianDay, horCoords: HorizontalCoordinates, geoCoords: GeographicCoordinates): Degree {
-  const lmst = getLocalSiderealTime(jd, geoCoords.longitude) * H2DEG
+  const lmst: Degree = getLocalSiderealTime(jd, geoCoords.longitude) * H2DEG
   const rHorCoords = {
     azimuth: horCoords.azimuth * DEG2RAD,
     altitude: horCoords.altitude * DEG2RAD
@@ -25,9 +25,9 @@ export function getRightAscensionFromHorizontal (jd: JulianDay, horCoords: Horiz
   const x = Math.cos(rHorCoords.azimuth) * Math.sin(rGeoCoords.latitude)
     + Math.tan(rHorCoords.altitude) * Math.cos(rGeoCoords.latitude)
 
-  const value = lmst - Math.atan2(y, x)
+  const value: Degree = lmst - Math.atan2(y, x) * RAD2DEG
 
-  return fmod360(value * RAD2DEG)
+  return fmod360(value)
 }
 
 /**