debugging

src/main/java/com/elphel/imagej/cuas/CuasMotionLMA.java

@@ -60,6 +60,7 @@ public class CuasMotionLMA {
 	public static final int FAIL_K_LOW =     7;  // Overshoot is too low (not used, it can be down to 0)
 	public static final int FAIL_K_HIGH =    8;  // Overshoot is too high
 	public static final int FAIL_FAR =       9;  // Peak is too far from the center 
+	public static final int FAIL_HORIZON =  10;  // Peak is below horizon 
 	
 	private int          width;
 	private double [][]  window;