diff --git a/process_new.ipynb b/process_new.ipynb
index 0cb7e6c..f040a09 100644
--- a/process_new.ipynb
+++ b/process_new.ipynb
@@ -156,9 +156,10 @@
     "    print(colored(f\"generate pixel catalog for {fname}\", \"yellow\"))\n",
     "    pix_catalog = pixel_catalog(f\"{fname}.cat\")\n",
     "    fnamecat = open(fname + \".cat\", \"r\")\n",
-    "    lines = fnamecat.readlines()\n",
-    "    for line in lines:\n",
-    "        print(line, end=\"\")"
+    "    # Print first 1500 bytes\n",
+    "    print(fnamecat.read(1500), \"\\n...\")\n",
+    "    # Print all:\n",
+    "    #print(fnamecat.read())"
    ]
   },
   {