diff --git a/source/driftingnebula.ts b/source/driftingnebula.ts
index 3fc73bd..4837eb9 100644
--- a/source/driftingnebula.ts
+++ b/source/driftingnebula.ts
@@ -44,6 +44,7 @@ async function main(): Promise<void> {
 
     const graphFile = `${name}.txt`;
     const outputFile = `${name}.png`;
+    const compressedFile = `${outputFile.slice(0, -4)}.jpeg`;
 
     console.log(`* Writing ${graphFile}`);
     await fsp.writeFile(
@@ -61,6 +62,15 @@ async function main(): Promise<void> {
         '--',
         ...graph,
       ]);
+
+      console.log(`* Writing ${compressedFile}`);
+      await execa('magick', [
+        'convert',
+        path.join(baseDir, outputFile),
+        '-quality',
+        '92',
+        path.join(baseDir, compressedFile),
+      ]);
     }
 
     const time = (performance.now() - dataStart).toFixed(2);