Recalibrated back camera after tightening the bolts

Change-Id: Ifbe2348f2e27d83b5a108bc3eea97755b9882e03
diff --git a/y2019/vision/calibrate.sh b/y2019/vision/calibrate.sh
index 24118ed..7b7ba4f 100755
--- a/y2019/vision/calibrate.sh
+++ b/y2019/vision/calibrate.sh
@@ -21,9 +21,9 @@
     --tape_direction_x=-1.0 \
     --tape_direction_y=0.0 \
     --beginning_tape_measure_reading=11 \
-    --image_count=75 \
+    --image_count=69 \
     --constants=constants.cc \
-    --prefix data/cam10_0/debug_viewer_jpeg_
+    --prefix data/cam10_1/debug_viewer_jpeg_
 
 calibration \
     --camera_id 6 \