diff --git a/tom_dataproducts/migrations/0012_alter_reduceddatum_data_product_and_more.py b/tom_dataproducts/migrations/0012_alter_reduceddatum_data_product_and_more.py
new file mode 100644
index 000000000..5696653f4
--- /dev/null
+++ b/tom_dataproducts/migrations/0012_alter_reduceddatum_data_product_and_more.py
@@ -0,0 +1,29 @@
+# Generated by Django 4.2.1 on 2023-10-23 22:03
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tom_dataproducts', '0011_reduceddatum_message'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='reduceddatum',
+            name='data_product',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.CASCADE, to='tom_dataproducts.dataproduct'),
+        ),
+        migrations.AlterField(
+            model_name='reduceddatum',
+            name='source_location',
+            field=models.CharField(blank=True, default='', max_length=200),
+        ),
+        migrations.AlterField(
+            model_name='reduceddatum',
+            name='source_name',
+            field=models.CharField(blank=True, default='', max_length=100),
+        ),
+    ]
diff --git a/tom_dataproducts/models.py b/tom_dataproducts/models.py
index 6e2664471..1aa3da09f 100644
--- a/tom_dataproducts/models.py
+++ b/tom_dataproducts/models.py
@@ -336,8 +336,8 @@ class ReducedDatum(models.Model):
         max_length=100,
         default=''
     )
-    source_name = models.CharField(max_length=100, default='')
-    source_location = models.CharField(max_length=200, default='')
+    source_name = models.CharField(max_length=100, default='', blank=True)
+    source_location = models.CharField(max_length=200, default='', blank=True)
     timestamp = models.DateTimeField(null=False, blank=False, default=datetime.now, db_index=True)
     value = models.JSONField(null=False, blank=False)
     message = models.ManyToManyField(AlertStreamMessage)
diff --git a/tom_dataproducts/tests/test_api.py b/tom_dataproducts/tests/test_api.py
index 5bb39b4d8..2ad4bc694 100644
--- a/tom_dataproducts/tests/test_api.py
+++ b/tom_dataproducts/tests/test_api.py
@@ -141,3 +141,19 @@ def test_upload_same_reduced_datum_twice(self):
         self.client.post(reverse('api:reduceddatums-list'), self.rd_data, format='json')
         rd_queryset = ReducedDatum.objects.all()
         self.assertEqual(rd_queryset.count(), 2)
+
+    def test_upload_reduced_datum_no_sharing_location(self):
+        """
+        Test that a reduced datum can be uploaded without a source_location.
+        """
+        del self.rd_data['source_location']
+        response = self.client.post(reverse('api:reduceddatums-list'), self.rd_data, format='json')
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)
+
+    def test_upload_reduced_datum_no_sharing_name(self):
+        """
+        Test that a reduced datum can be uploaded without a source_name.
+        """
+        del self.rd_data['source_name']
+        response = self.client.post(reverse('api:reduceddatums-list'), self.rd_data, format='json')
+        self.assertEqual(response.status_code, status.HTTP_201_CREATED)