show sources of obscore table

src/js/A.js

@@ -573,6 +573,10 @@ A.catalogFromURL = function (url, options, successCallback, errorCallback, usePr
     const processVOTable = function (table) {
         let {sources, fields} = table;
         c.setFields(fields);
+        if (fields.s_region) {
+            // for ObsCore tables, show also the (ra, dec) as a source
+            c.onlyFootprint = false;
+        }
         c.addSources(sources);
 
         const s_regionFieldFound = Array.from(Object.keys(fields)).find((f) => f.toLowerCase() === 's_region');

src/js/Catalog.js

@@ -552,6 +552,7 @@ export let Catalog = (function () {
 
         // Create all the variant shaped canvas
         this.cacheCanvas = {}
+        this.computeFootprints(this.sources);
 
         this.reportChange();
     };