diff --git a/public/arf.json b/public/arf.json
index cb12c06..4c39216 100644
--- a/public/arf.json
+++ b/public/arf.json
@@ -3924,6 +3924,11 @@
     "children": [
     {
       "children": [
+      {
+        "name": "Astrometry",
+        "type": "url",
+        "url": "https://nova.astrometry.net/"
+      },
       {
         "name": "SunCalc",
         "type": "url",