diff --git a/content/01-intro-to-python-vizier-and-ipyaladin.ipynb b/content/01-intro-to-python-vizier-and-ipyaladin.ipynb
index 979a1e3..0f12dfc 100644
--- a/content/01-intro-to-python-vizier-and-ipyaladin.ipynb
+++ b/content/01-intro-to-python-vizier-and-ipyaladin.ipynb
@@ -5,7 +5,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "# Add a VO table downloaded from Vizier to an ipyaladin instance"
+    "# Introduction to ipyaladin"
    ]
   },
   {
@@ -14,8 +14,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "%pip install ipyaladin\n",
-    "%pip install astroquery"
+    "%pip install ipyaladin"
    ]
   },
   {
@@ -24,23 +23,11 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "import pickle\n",
-    "\n",
-    "import astropy.units as u\n",
-    "\n",
-    "from ipyaladin import Aladin\n",
-    "from astroquery.vizier import Vizier\n",
-    "from astropy.io.votable import parse_single_table"
-   ]
-  },
-  {
-   "attachments": {},
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "## 1. Let's find the catalog identifier of 2Mass in Vizier\n",
-    "\n",
-    "To do so, first thing is to inspect the astroquery.vizier python module"
+    "import micropip, http.client, pyodide_http\n",
+    "await micropip.install([\"ssl\",\"https://files.pythonhosted.org/packages/c3/c8/d74794dff5c6802994d3dfe506d691d9e0ff3e6b2f34df577899685b2617/astroquery-0.4.7.dev9008-py3-none-any.whl\"])\n",
+    "pyodide_http.patch_all()\n",
+    "from importlib import reload\n",
+    "reload(http.client)"
    ]
   },
   {
@@ -49,16 +36,16 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "dir(Vizier)"
+    "from ipyaladin import Aladin\n",
+    "from astroquery.vizier import Vizier"
    ]
   },
   {
-   "cell_type": "code",
-   "execution_count": null,
+   "attachments": {},
+   "cell_type": "markdown",
    "metadata": {},
-   "outputs": [],
    "source": [
-    "help(Vizier.find_catalogs)"
+    "## 1. Let's find the catalog identifier of DESI legacy survey in Vizier"
    ]
   },
   {
@@ -67,10 +54,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "# list_catalogs = Vizier.find_catalogs([\"2Mass\", \"All-Sky\"])\n",
-    "with open(\"data/list_catalogs.pkl\", \"rb\") as file:\n",
-    "    list_catalogs = pickle.load(file)\n",
-    "list_catalogs"
+    "list_catalogs = Vizier.find_catalogs([\"DESI\", \"legacy\"])"
    ]
   },
   {