Index: /trunk/ippconfig/recipes/ppImage.config
===================================================================
--- /trunk/ippconfig/recipes/ppImage.config	(revision 23149)
+++ /trunk/ippconfig/recipes/ppImage.config	(revision 23150)
@@ -433,4 +433,32 @@
   BIN1.FITS        BOOL    TRUE            # Save 1st binned chip image?
   BIN2.FITS        BOOL    TRUE            # Save 2nd binned chip image?
+END
+
+# used for the pre-mask version of flat-field processing
+PPIMAGE_FLATPROC_PREMASK       METADATA
+  BASE.FITS          BOOL    TRUE            # Save base detrended image?
+  BASE.MASK.FITS     BOOL    TRUE            # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    TRUE            # Save base detrended image?
+  CHIP.FITS          BOOL    FALSE           # Save chip-mosaic-ed image? 
+  CHIP.MASK.FITS     BOOL    FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  OVERSCAN           BOOL    TRUE            # Overscan subtraction
+  BIAS               BOOL    TRUE            # Bias subtraction
+  DARK               BOOL    TRUE            # Dark subtraction
+  SHUTTER            BOOL    FALSE           # Shutter correction
+  FLAT               BOOL    FALSE           # Flat-field normalisation
+  MASK               BOOL    FALSE           # Mask bad pixels
+  FRINGE             BOOL    FALSE           # Fringe subtraction
+  PHOTOM             BOOL    FALSE           # Source identification and photometry
+  ASTROM.CHIP        BOOL    FALSE           # Astrometry per chip?
+  ASTROM.MOSAIC      BOOL    FALSE           # Astrometry for mosaic?
+  BIN1.FITS          BOOL    TRUE            # Save 1st binned chip image?
+  BIN2.FITS          BOOL    TRUE            # Save 2nd binned chip image?
+
+  DETREND.CONSTRAINTS  METADATA
+    DARK METADATA
+      DETTYPE STR DARK_PREMASK
+    END
+  END   
 END