diff --git a/src/imageinfodata.cpp b/src/imageinfodata.cpp
index 8e610ab..c73bab1 100644
--- a/src/imageinfodata.cpp
+++ b/src/imageinfodata.cpp
@@ -453,7 +453,8 @@ SkyGrid WCSDataT::prepareGrid(uint32_t w, uint32_t h, Database *database)
 
     if(database)
     {
-        skyGrid.objects = database->getObjects(minRa, maxRa, minDec, maxDec);
+        double size = std::max(maxRa - minRa, maxDec - minDec);
+        skyGrid.objects = database->getObjects(minRa - size, maxRa + size, minDec - size, maxDec + size);
         for(auto &object : skyGrid.objects)
         {
             QPointF p;