diff --git a/src/components/OpenLayersMap.tsx b/src/components/OpenLayersMap.tsx
index 91b7741..75e97da 100644
--- a/src/components/OpenLayersMap.tsx
+++ b/src/components/OpenLayersMap.tsx
@@ -211,7 +211,7 @@ export function OpenLayersMap({
             resolutions: getBaselayerResolutions(
               b.extent[2] - b.extent[0],
               256,
-              9
+              b.maxZoom
             ),
             origin: [b.extent[0], b.extent[3]],
           }),
diff --git a/src/configs/mapSettings.ts b/src/configs/mapSettings.ts
index d78190a..2e857b7 100644
--- a/src/configs/mapSettings.ts
+++ b/src/configs/mapSettings.ts
@@ -31,6 +31,20 @@ export const EXTERNAL_BASELAYERS: ExternalBaselayer[] = [
       'EPSG:4326',
       'EPSG:3857'
     ),
+    maxZoom: 8,
+    disabledState: (isFlipped: boolean) => !isFlipped,
+  },
+  {
+    id: 'external-unwise-neo6',
+    name: 'Legacy Survey | unWISE neo6',
+    projection: 'EPSG:3857',
+    url: 'https://s3.us-west-2.amazonaws.com/unwise-neo6.legacysurvey.org/{z}/{x}/{y}.jpg',
+    extent: transformExtent(
+      [-180, -MERCATOR_MAX_LAT, 180, MERCATOR_MAX_LAT],
+      'EPSG:4326',
+      'EPSG:3857'
+    ),
+    maxZoom: 10,
     disabledState: (isFlipped: boolean) => !isFlipped,
   },
 ];
diff --git a/src/types/maps.ts b/src/types/maps.ts
index fce17a4..f9e5e3c 100644
--- a/src/types/maps.ts
+++ b/src/types/maps.ts
@@ -113,6 +113,7 @@ export type ExternalBaselayer = {
   projection: string;
   url: string | TileUrlFunction;
   extent: number[];
+  maxZoom: number;
   disabledState: (state: boolean) => boolean;
 };
 
diff --git a/src/utils/layerUtils.ts b/src/utils/layerUtils.ts
index 9fdd745..d5e0b0c 100644
--- a/src/utils/layerUtils.ts
+++ b/src/utils/layerUtils.ts
@@ -37,7 +37,7 @@ export function getBaselayerResolutions(
 ) {
   const resolutionZ0 = worldWidth / tileSize;
   const resolutions = [];
-  for (let i = 0; i < maxZoom; i++) {
+  for (let i = 0; i <= maxZoom; i++) {
     resolutions.push(resolutionZ0 / 2 ** i);
   }
   return resolutions;