Index: trunk/ippconfig/recipes/ppImage.config
===================================================================
--- trunk/ippconfig/recipes/ppImage.config	(revision 20747)
+++ trunk/ippconfig/recipes/ppImage.config	(revision 21370)
@@ -4,33 +4,33 @@
 
 # List of tasks to perform
-NONLIN           BOOL    FALSE           # Non-linearity correction; not implemented
-OVERSCAN         BOOL    TRUE            # Overscan subtraction
-BIAS             BOOL    TRUE            # Bias subtraction
-DARK             BOOL    TRUE            # Dark subtraction
-REMNANCE         BOOL    FALSE           # Remnance masking
-SHUTTER          BOOL    FALSE           # Shutter correction
-FLAT             BOOL    TRUE            # Flat-field normalisation
-MASK             BOOL    FALSE           # Mask bad pixels
-MASK.BUILD       BOOL    FALSE           # Build internal mask image
-WEIGHT.BUILD     BOOL    FALSE           # Build internal weight image
-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?
-BACKGROUND       BOOL    FALSE           # Subtract model background?
+NONLIN             BOOL    FALSE           # Non-linearity correction; not implemented
+OVERSCAN           BOOL    TRUE            # Overscan subtraction
+BIAS               BOOL    TRUE            # Bias subtraction
+DARK               BOOL    TRUE            # Dark subtraction
+REMNANCE           BOOL    FALSE           # Remnance masking
+SHUTTER            BOOL    FALSE           # Shutter correction
+FLAT               BOOL    TRUE            # Flat-field normalisation
+MASK               BOOL    FALSE           # Mask bad pixels
+MASK.BUILD         BOOL    FALSE           # Build internal mask image
+VARIANCE.BUILD     BOOL    FALSE           # Build internal variance image
+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?
+BACKGROUND         BOOL    FALSE           # Subtract model background?
 
 # output data formats to save
-BASE.FITS        BOOL    FALSE           # Save base detrended image?
-BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
-CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
-FPA1.FITS        BOOL    FALSE           # Save 1st binned fpa image? 
-FPA2.FITS        BOOL    FALSE           # Save 2nd binned fpa image? 
-BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
-BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
-BIN1.JPEG        BOOL    FALSE           # Save 1st binned jpeg?
-BIN2.JPEG        BOOL    FALSE           # Save 2nd binned jpeg?
+BASE.FITS          BOOL    FALSE           # Save base detrended image?
+BASE.MASK.FITS     BOOL    FALSE           # Save base detrended image?
+BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
+CHIP.FITS          BOOL    TRUE            # 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? 
+FPA1.FITS          BOOL    FALSE           # Save 1st binned fpa image? 
+FPA2.FITS          BOOL    FALSE           # Save 2nd binned fpa image? 
+BIN1.FITS          BOOL    FALSE           # Save 1st binned chip image?
+BIN2.FITS          BOOL    FALSE           # Save 2nd binned chip image?
+BIN1.JPEG          BOOL    FALSE           # Save 1st binned jpeg?
+BIN2.JPEG          BOOL    FALSE           # Save 2nd binned jpeg?
 
 ## if we use multithreaded detrending, detrend this number of rows per thread
@@ -101,23 +101,23 @@
 # Standard chip processing
 CHIP	METADATA
-  BASE.FITS        BOOL    FALSE           # Save base detrended image?
-  BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    TRUE            # 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    TRUE            # Flat-field normalisation
-  MASK             BOOL    TRUE            # Mask bad pixels
-  FRINGE           BOOL    TRUE            # Fringe subtraction
-  BIN1.FITS        BOOL    TRUE            # Save 1st binned chip image?
-  BIN2.FITS        BOOL    TRUE            # Save 2nd binned chip image?
-  PHOTOM           BOOL    TRUE            # Source identification and photometry
-  ASTROM.CHIP      BOOL    FALSE           # Astrometry per chip?
-  ASTROM.MOSAIC    BOOL    FALSE           # Astrometry for mosaic?
-  BACKGROUND       BOOL    TRUE            # Subtract background?
+  BASE.FITS          BOOL    FALSE           # Save base detrended image?
+  BASE.MASK.FITS     BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
+  CHIP.FITS          BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.MASK.FITS     BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    TRUE            # 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    TRUE            # Flat-field normalisation
+  MASK               BOOL    TRUE            # Mask bad pixels
+  FRINGE             BOOL    TRUE            # Fringe subtraction
+  BIN1.FITS          BOOL    TRUE            # Save 1st binned chip image?
+  BIN2.FITS          BOOL    TRUE            # Save 2nd binned chip image?
+  PHOTOM             BOOL    TRUE            # Source identification and photometry
+  ASTROM.CHIP        BOOL    FALSE           # Astrometry per chip?
+  ASTROM.MOSAIC      BOOL    FALSE           # Astrometry for mosaic?
+  BACKGROUND         BOOL    TRUE            # Subtract background?
 END
 
@@ -131,8 +131,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -153,8 +153,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -175,8 +175,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    TRUE            # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Bias subtraction
@@ -197,8 +197,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Overscan subtraction
   BIAS             BOOL    TRUE            # Bias subtraction
@@ -219,8 +219,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -241,8 +241,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -263,8 +263,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -285,8 +285,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -307,8 +307,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -329,8 +329,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
   CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS   BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
   OVERSCAN         BOOL    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -351,8 +351,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
   CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS   BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
   OVERSCAN         BOOL    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -373,8 +373,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    TRUE            # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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
@@ -395,8 +395,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    TRUE            # Save base detrended image?
-  BASE.WEIGHT.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.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed 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
@@ -417,8 +417,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    TRUE            # Save base detrended image?
-  BASE.WEIGHT.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.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed 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
@@ -439,8 +439,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    TRUE            # Save base detrended image?
-  BASE.WEIGHT.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.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed 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
@@ -461,8 +461,8 @@
   BASE.FITS        BOOL    TRUE            # Save base detrended image?
   BASE.MASK.FITS   BOOL    TRUE            # Save base detrended image?
-  BASE.WEIGHT.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.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed 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
@@ -483,8 +483,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
   CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS   BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
   OVERSCAN         BOOL    TRUE            # Overscan subtraction
   BIAS             BOOL    TRUE            # Bias subtraction
@@ -505,8 +505,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
   CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS   BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
   OVERSCAN         BOOL    TRUE            # Overscan subtraction
   BIAS             BOOL    TRUE            # Bias subtraction
@@ -527,8 +527,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
   CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS   BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
   OVERSCAN         BOOL    TRUE            # Overscan subtraction
   BIAS             BOOL    TRUE            # Bias subtraction
@@ -555,8 +555,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
   CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS   BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
   OVERSCAN         BOOL    TRUE            # Overscan subtraction
   BIAS             BOOL    TRUE            # Bias subtraction
@@ -583,8 +583,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
   CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS   BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
   OVERSCAN         BOOL    TRUE            # Overscan subtraction
   BIAS             BOOL    TRUE            # Bias subtraction
@@ -605,8 +605,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -637,8 +637,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -661,8 +661,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -689,8 +689,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -743,8 +743,8 @@
   BASE.FITS        BOOL    FALSE           # Save base detrended image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
   CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS   BOOL    TRUE            # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    TRUE            # Save chip-mosaic-ed image? 
   OVERSCAN         BOOL    FALSE           # Overscan subtraction
   BIAS             BOOL    FALSE           # Bias subtraction
@@ -778,8 +778,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -813,8 +813,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -848,8 +848,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -883,8 +883,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -918,8 +918,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -953,8 +953,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -989,8 +989,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -1024,8 +1024,8 @@
   BASE.FITS       BOOL    FALSE           # Save base image?
   BASE.MASK.FITS  BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL   FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL   FALSE           # Save base detrended image?
   CHIP.FITS       BOOL    FALSE           # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS  BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS       BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS       BOOL    FALSE           # Save 2nd binned chip image?
@@ -1059,8 +1059,8 @@
   BASE.FITS       BOOL    FALSE           # Save base image?
   BASE.MASK.FITS  BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL   FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL   FALSE           # Save base detrended image?
   CHIP.FITS       BOOL    FALSE           # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS  BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS       BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS       BOOL    FALSE           # Save 2nd binned chip image?
@@ -1094,8 +1094,8 @@
   BASE.FITS       BOOL    FALSE           # Save base image?
   BASE.MASK.FITS  BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL   FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL   FALSE           # Save base detrended image?
   CHIP.FITS       BOOL    FALSE           # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS  BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS       BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS       BOOL    FALSE           # Save 2nd binned chip image?
@@ -1129,8 +1129,8 @@
   BASE.FITS       BOOL    FALSE           # Save base image?
   BASE.MASK.FITS  BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL   FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL   FALSE           # Save base detrended image?
   CHIP.FITS       BOOL    FALSE           # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS  BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS       BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS       BOOL    FALSE           # Save 2nd binned chip image?
@@ -1164,8 +1164,8 @@
   BASE.FITS       BOOL    FALSE           # Save base image?
   BASE.MASK.FITS  BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL   FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL   FALSE           # Save base detrended image?
   CHIP.FITS       BOOL    FALSE           # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS  BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS       BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS       BOOL    FALSE           # Save 2nd binned chip image?
@@ -1199,8 +1199,8 @@
   BASE.FITS       BOOL    FALSE           # Save base image?
   BASE.MASK.FITS  BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL   FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL   FALSE           # Save base detrended image?
   CHIP.FITS       BOOL    FALSE           # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS  BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS       BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS       BOOL    FALSE           # Save 2nd binned chip image?
@@ -1234,8 +1234,8 @@
   BASE.FITS       BOOL    FALSE           # Save base image?
   BASE.MASK.FITS  BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL   FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL   FALSE           # Save base detrended image?
   CHIP.FITS       BOOL    FALSE           # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS  BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS       BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS       BOOL    FALSE           # Save 2nd binned chip image?
@@ -1269,8 +1269,8 @@
   BASE.FITS       BOOL    FALSE           # Save base image?
   BASE.MASK.FITS  BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL   FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL   FALSE           # Save base detrended image?
   CHIP.FITS       BOOL    FALSE           # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS  BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS       BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS       BOOL    FALSE           # Save 2nd binned chip image?
@@ -1304,8 +1304,8 @@
   BASE.FITS       BOOL    FALSE           # Save base image?
   BASE.MASK.FITS  BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL   FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL   FALSE           # Save base detrended image?
   CHIP.FITS       BOOL    FALSE           # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS  BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL   FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS       BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS       BOOL    FALSE           # Save 2nd binned chip image?
@@ -1340,8 +1340,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
-  CHIP.FITS        BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  BASE.VARIANCE.FITS BOOL    FALSE           # 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? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
@@ -1370,8 +1370,8 @@
   BASE.FITS        BOOL    FALSE           # Save base image?
   BASE.MASK.FITS   BOOL    FALSE           # Save base detrended image?
-  BASE.WEIGHT.FITS BOOL    FALSE           # Save base detrended image?
+  BASE.VARIANCE.FITS BOOL    FALSE           # Save base detrended image?
   CHIP.FITS        BOOL    TRUE            # Save chip-mosaic-ed image? 
   CHIP.MASK.FITS   BOOL    FALSE           # Save chip-mosaic-ed image? 
-  CHIP.WEIGHT.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
+  CHIP.VARIANCE.FITS BOOL    FALSE           # Save chip-mosaic-ed image? 
   BIN1.FITS        BOOL    FALSE           # Save 1st binned chip image?
   BIN2.FITS        BOOL    FALSE           # Save 2nd binned chip image?
