diff --git a/views.py b/views.py
index 93397bd..8e90c09 100644
--- a/views.py
+++ b/views.py
@@ -137,7 +137,7 @@ class UpperLimitView(APIView):
                 {"error": "Invalud parameters, provide RA, DEC, and CL"},
                 status=status.HTTP_400_BAD_REQUEST,
             )
-        #  ── NEW: pull & parse survey selection ──
+        # pull & parse survey selection
         raw_survey = request.query_params.get("survey")
         if raw_survey is None:
             return Response(
@@ -152,11 +152,7 @@ class UpperLimitView(APIView):
                 status=status.HTTP_400_BAD_REQUEST,
             )
 
-        # hp = HEALPix(
-        #     nside = 4096,
-        #     order = 'ring',
-        #     frame = 'icrs'
-        # )
+        map_radius_value = request.query_params.get("mr")
 
         # CREATE SKYCOORD, CONVERT TO GALACTIC BECAUSE THE HEALPIX
         # MAP ITSELF WAS MADE IN GALACTIC COORDINATES
@@ -342,8 +338,12 @@ class UpperLimitView(APIView):
         # SQUARE REGION IMAGE SERVING
         # ****************************************************************
 
+        # default value if not specified in the query
         # get hpids within a circle of radius sqrt(2) * outer annulus radius
-        map_radius = annulus_outer * np.sqrt(2)
+        if map_radius_value is None:
+            map_radius = annulus_outer * np.sqrt(2)
+        else:
+            map_radius = float(map_radius_value)
 
         map_pixel_list = hp.query_disc(
             nside=4096,