v2.0.3: bugfix

darkskyapp · Apr 4, 2019 · 0a989e4 · 0a989e4
1 parent 9aefcc3
commit 0a989e4
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Showing 2 changed files with 4 additions and 7 deletions.
diff --git a/lib/solar.js b/lib/solar.js
@@ -161,20 +161,17 @@ class Time {
   }
 
   hour_angle(lon) {
-    return sidereal.local(julian.to(this.time), lon) - this.right_ascension;
+    return sidereal.local(julian.to(this.time), lon * RAD) - this.right_ascension;
   }
 
   observer(lat, lon) {
-    lat *= RAD;
-    lon *= RAD;
-
     // https://en.wikipedia.org/wiki/Hour_angle
     const hour_angle = this.hour_angle(lon);
 
     // Solar elevation angle.
     // https://en.wikipedia.org/wiki/Solar_zenith_angle
-    const sin_lat = Math.sin(lat);
-    const cos_lat = Math.cos(lat);
+    const sin_lat = Math.sin(lat * RAD);
+    const cos_lat = Math.cos(lat * RAD);
     const sin_dec = this.sin_declination;
     const cos_dec = Math.sqrt(1 - sin_dec * sin_dec);
     return new Location(

diff --git a/package.json b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "astro",
-  "version": "2.0.2",
+  "version": "2.0.3",
   "description": "Solar and lunar position calculations",
   "main": "index.js",
   "devDependencies": {