diff --git a/app/migrations/0024_alter_resource_stars.py b/app/migrations/0024_alter_resource_stars.py
new file mode 100644
index 0000000..e6ed1fe
--- /dev/null
+++ b/app/migrations/0024_alter_resource_stars.py
@@ -0,0 +1,18 @@
+# Generated by Django 3.2.5 on 2021-11-26 08:12
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('app', '0023_alter_range_feature'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='resource',
+            name='stars',
+            field=models.TextField(blank=True, choices=[('', ''), ('-', '-'), ('*', '*'), ('**', '**'), ('***', '***'), ('****', '****'), ('*****', '*****')], null=True),
+        ),
+    ]
diff --git a/app/models.py b/app/models.py
index 600289f..533463a 100644
--- a/app/models.py
+++ b/app/models.py
@@ -147,6 +147,15 @@ class Range(models.Model):
 
 
 class Resource(models.Model):
+    STAR_CHOICES = (
+        ("", ""),
+        ("-", "-"),
+        ("*", "*"),
+        ("**", "**"),
+        ("***", "***"),
+        ("****", "****"),
+        ("*****", "*****"),
+    )
     id = models.AutoField(primary_key=True)
     source_id = models.IntegerField(blank=True, null=True)
     title = models.TextField(blank=True, null=True)
@@ -158,7 +167,7 @@ class Resource(models.Model):
     author_keywords = models.TextField(blank=True, null=True)
     lat = models.TextField(blank=True, null=True)
     lon = models.TextField(blank=True, null=True)
-    stars = models.TextField(blank=True, null=True)
+    stars = models.TextField(blank=True, null=True, choices=STAR_CHOICES)
     PEGASuS_Check_map_with_author = models.TextField(blank=True, null=True)
     PEGASuS_polygon_ID = models.TextField(blank=True, null=True)
     PEGASuS_Polygon_comments = models.TextField(blank=True, null=True)