diff --git a/astroData.json b/astroData.json
index dd2a6af..a2dfa06 100644
--- a/astroData.json
+++ b/astroData.json
@@ -3966,7 +3966,7 @@
       "link": "https://en.wikipedia.org/wiki/Cassiopeia_A",
       "name": "is a supernova remnant (SNR) and the brightest extrasolar radio source in the sky at frequencies above 1 GHz.",
       "type": "Supernova-remnant nebula",
-      "url": "https://upload.wikimedia.org/wikipedia/commons/thumb/c/cb/Cassiopeia_A_Spitzer_Crop.jpg/630px-Cassiopeia_A_Spitzer_Crop.jpg"
+      "url": "https://www.nasa.gov/wp-content/uploads/2023/12/webb-stsci-01hggzdyh8ghhssnwzd71mf0xh-2k.png"
     }
   ]
 }