diff --git a/modules/util/viirs.py b/modules/util/viirs.py
index 7efb72c11cada1a51da0effec83bd093d8862196..4e1e67f3208942c907bf4cd275cbc698c197aaf4 100644
--- a/modules/util/viirs.py
+++ b/modules/util/viirs.py
@@ -22,7 +22,7 @@ def run_all(directory):
         img_tiles = []
 
         for idx, mfile in enumerate(mod_files):
-            if idx % 16 == 0:
+            if idx % 8 == 0:
                 w_o_ext, ext = os.path.splitext(mfile)
                 ifile = w_o_ext+'.highres'+ext
                 if not os.path.exists(ifile):
@@ -36,14 +36,6 @@ def run_all(directory):
         mod_nda = np.stack(mod_tiles)
         img_nda = np.stack(img_tiles)
 
-        mod_mean = mod_nda.mean()
-        img_mean = img_nda.mean()
-        mod_std = mod_nda.std()
-        img_std = img_nda.std()
-
-        mod_nda = (mod_nda - mod_mean) / mod_std
-        img_nda = (img_nda - img_mean) / img_std
-
         np.save('/data/Personal/rink/viirs/mod_res_'+str(cnt), mod_nda)
         np.save('/data/Personal/rink/viirs/img_res_'+str(cnt), img_nda)