Index: /trunk/ppSub/src/ppSubArguments.c
===================================================================
--- /trunk/ppSub/src/ppSubArguments.c	(revision 19697)
+++ /trunk/ppSub/src/ppSubArguments.c	(revision 19698)
@@ -219,4 +219,6 @@
     psMetadataAddBool(arguments, PS_LIST_TAIL, "-photometry", 0, "Perform photometry?", false);
     psMetadataAddS32(arguments, PS_LIST_TAIL, "-threads", 0, "Number of threads", 0);
+    psMetadataAddS32(arguments, PS_LIST_TAIL, "-bin1", 0, "Binning factor for first level", 0);
+    psMetadataAddS32(arguments, PS_LIST_TAIL, "-bin2", 0, "Binning factor for second level", 0);
     psMetadataAddStr(arguments, PS_LIST_TAIL, "-dumpconfig", 0, "file to dump configuration to", NULL);
 
@@ -289,4 +291,6 @@
     VALUE_ARG_RECIPE_FLOAT("-penalty",    "PENALTY",         F32);
     VALUE_ARG_RECIPE_FLOAT("-poor-frac",  "POOR.FRACTION",   F32);
+    VALUE_ARG_RECIPE_INT("-bin1",         "BIN1",            S32, 0);
+    VALUE_ARG_RECIPE_INT("-bin2",         "BIN2",            S32, 0);
 
     valueArgRecipeStr(arguments, recipe, "-mask-in",   "MASK.IN",  recipe);
Index: /trunk/ppSub/src/ppSubCamera.c
===================================================================
--- /trunk/ppSub/src/ppSubCamera.c	(revision 19697)
+++ /trunk/ppSub/src/ppSubCamera.c	(revision 19698)
@@ -118,4 +118,26 @@
         outWeight->save = true;
     }
+
+    // Output JPEGs
+    pmFPAfile *jpeg1 = pmFPAfileDefineOutput(config, output->fpa, "PPSUB.OUTPUT.JPEG1");
+    if (!jpeg1) {
+        psError(PS_ERR_IO, false, _("Unable to generate output file from PPSUB.OUTPUT.JPEG1"));
+        return false;
+    }
+    if (jpeg1->type != PM_FPA_FILE_JPEG) {
+        psError(PS_ERR_IO, true, "PPSUB.OUTPUT.JPEG1 is not of type JPEG");
+        return false;
+    }
+    jpeg1->save = true;
+    pmFPAfile *jpeg2 = pmFPAfileDefineOutput(config, output->fpa, "PPSUB.OUTPUT.JPEG2");
+    if (!jpeg2) {
+        psError(PS_ERR_IO, false, _("Unable to generate output file from PPSUB.OUTPUT.JPEG2"));
+        return false;
+    }
+    if (jpeg2->type != PM_FPA_FILE_JPEG) {
+        psError(PS_ERR_IO, true, "PPSUB.OUTPUT.JPEG2 is not of type JPEG");
+        return false;
+    }
+    jpeg2->save = true;
 
     // Output subtraction kernel
Index: /trunk/ppSub/src/ppSubReadout.c
===================================================================
--- /trunk/ppSub/src/ppSubReadout.c	(revision 19697)
+++ /trunk/ppSub/src/ppSubReadout.c	(revision 19698)
@@ -568,4 +568,26 @@
                      "Subtraction input", inFile->filename);
 
+
+    // Generate binned JPEGs
+    {
+        int bin1 = psMetadataLookupS32(NULL, recipe, "BIN1"); // First binning level
+        int bin2 = psMetadataLookupS32(NULL, recipe, "BIN2"); // Second binning level
+
+        // Target cells
+        pmCell *cell1 = pmFPAfileThisCell(config->files, view, "PPSUB.OUTPUT.JPEG1");
+        pmCell *cell2 = pmFPAfileThisCell(config->files, view, "PPSUB.OUTPUT.JPEG2");
+
+        pmReadout *ro1 = pmReadoutAlloc(cell1), *ro2 = pmReadoutAlloc(cell2); // Binned readouts
+        if (!pmReadoutRebin(ro1, outRO, maskBad, bin1, bin1) || !pmReadoutRebin(ro2, ro1, 0, bin2, bin2)) {
+            psError(PS_ERR_UNKNOWN, false, "Unable to bin output.");
+            psFree(ro1);
+            psFree(ro2);
+            psFree(outRO);
+            return false;
+        }
+        psFree(ro1);
+        psFree(ro2);
+    }
+
     psFree(outRO);