diff --git a/gracedb/events/migrations/0041_add_raven_voevent_fields.py b/gracedb/events/migrations/0041_add_raven_voevent_fields.py
new file mode 100644
index 0000000000000000000000000000000000000000..c81bfdbc9bc5bbbe0d7b20656b90d34176a84b3e
--- /dev/null
+++ b/gracedb/events/migrations/0041_add_raven_voevent_fields.py
@@ -0,0 +1,56 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.23 on 2019-11-12 21:18
+from __future__ import unicode_literals
+
+import django.core.validators
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('events', '0040_auto_20190919_1957'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='voevent',
+            name='combined_skymap_filename',
+            field=models.CharField(blank=True, default=None, max_length=100, null=True),
+        ),
+        migrations.AddField(
+            model_name='voevent',
+            name='delta_t',
+            field=models.FloatField(blank=True, default=None, null=True, validators=[django.core.validators.MinValueValidator(-1000), django.core.validators.MaxValueValidator(1000)]),
+        ),
+        migrations.AddField(
+            model_name='voevent',
+            name='ext_gcn',
+            field=models.CharField(blank=True, default='', editable=False, max_length=20),
+        ),
+        migrations.AddField(
+            model_name='voevent',
+            name='ext_pipeline',
+            field=models.CharField(blank=True, default='', editable=False, max_length=20),
+        ),
+        migrations.AddField(
+            model_name='voevent',
+            name='ext_search',
+            field=models.CharField(blank=True, default='', editable=False, max_length=20),
+        ),
+        migrations.AddField(
+            model_name='voevent',
+            name='raven_coinc',
+            field=models.BooleanField(default=False),
+        ),
+        migrations.AddField(
+            model_name='voevent',
+            name='space_coinc_far',
+            field=models.FloatField(blank=True, default=None, null=True, validators=[django.core.validators.MinValueValidator(0.0)]),
+        ),
+        migrations.AddField(
+            model_name='voevent',
+            name='time_coinc_far',
+            field=models.FloatField(blank=True, default=None, null=True, validators=[django.core.validators.MinValueValidator(0.0)]),
+        ),
+    ]
diff --git a/gracedb/superevents/migrations/0006_auto_20191112_2004.py b/gracedb/superevents/migrations/0006_add_raven_voevent_sevent_fields.py
similarity index 93%
rename from gracedb/superevents/migrations/0006_auto_20191112_2004.py
rename to gracedb/superevents/migrations/0006_add_raven_voevent_sevent_fields.py
index 02bcd1e69d09e63d7dfc42393db81a6ee62e581d..1a8e6b6a83c0e844fe6b02249270581e5e729cfa 100644
--- a/gracedb/superevents/migrations/0006_auto_20191112_2004.py
+++ b/gracedb/superevents/migrations/0006_add_raven_voevent_sevent_fields.py
@@ -1,5 +1,5 @@
 # -*- coding: utf-8 -*-
-# Generated by Django 1.11.23 on 2019-11-12 20:04
+# Generated by Django 1.11.23 on 2019-11-12 21:18
 from __future__ import unicode_literals
 
 import django.core.validators
@@ -17,7 +17,6 @@ class Migration(migrations.Migration):
             model_name='superevent',
             name='coinc_far',
             field=models.FloatField(blank=True, null=True),
-            preserve_default=False,
         ),
         migrations.AddField(
             model_name='superevent',
@@ -37,17 +36,17 @@ class Migration(migrations.Migration):
         migrations.AddField(
             model_name='voevent',
             name='ext_gcn',
-            field=models.CharField(blank=True, default='', editable=False, max_length=100),
+            field=models.CharField(blank=True, default='', editable=False, max_length=20),
         ),
         migrations.AddField(
             model_name='voevent',
             name='ext_pipeline',
-            field=models.CharField(blank=True, default='', editable=False, max_length=100),
+            field=models.CharField(blank=True, default='', editable=False, max_length=20),
         ),
         migrations.AddField(
             model_name='voevent',
             name='ext_search',
-            field=models.CharField(blank=True, default='', editable=False, max_length=100),
+            field=models.CharField(blank=True, default='', editable=False, max_length=20),
         ),
         migrations.AddField(
             model_name='voevent',
diff --git a/gracedb/superevents/models.py b/gracedb/superevents/models.py
index f4b45edcb3606434003b41664b5de956a65e0174..ca3bdff0cc8f094b9fea4a1aaceec64036c7baa6 100644
--- a/gracedb/superevents/models.py
+++ b/gracedb/superevents/models.py
@@ -119,7 +119,7 @@ class Superevent(CleanSaveModel, AutoIncrementModel):
     is_exposed = models.BooleanField(default=False)
 
     # New O3b fields for RAVEN:
-    coinc_far = models.FloatField(null=False, blank=True)
+    coinc_far = models.FloatField(null=True, blank=True)
     em_type = models.CharField(blank=True, null=True, max_length=100)
 
     # Meta class --------------------------------------------------------------