Index: trunk/magic/remove/src/streaksremove.c
===================================================================
--- trunk/magic/remove/src/streaksremove.c	(revision 20496)
+++ trunk/magic/remove/src/streaksremove.c	(revision 20520)
@@ -259,5 +259,5 @@
     }
 
-    // got get the astrometry
+    // read in the astrometry
     astrometry_read(sf);
 }
@@ -312,4 +312,7 @@
     }
     setupAstromFromFPA(sf);
+    if (CHIP_LEVEL_INPUT(sf->stage)) {
+        computeWarpedPixels(sf);
+    }
      
     psElemType tileType;                // Type corresponding to "long"
@@ -498,4 +501,11 @@
     
     
+    if (!pmConfigFileSetsMD(config->arguments, &argc, argv, "SKYCELLS", "-skycell", "-skycelllist")) { ;
+        if (CHIP_LEVEL_INPUT(stage)) {
+            psError(PS_ERR_UNKNOWN, true, "-skycelllist is required for raw and chip stages\n");
+            return NULL;
+        }
+    }
+
     if (!pmConfigFileSetsMD(config->arguments, &argc, argv, "ASTROM", "-astrom", NULL)) { ;
         if (CHIP_LEVEL_INPUT(stage)) {