diff --git a/disk_postprocess.py b/disk_postprocess.py
index da62519..9872fd9 100644
--- a/disk_postprocess.py
+++ b/disk_postprocess.py
@@ -341,7 +341,7 @@ def make_image_aux(
             dmap_omega = rt_omega.process(cam)
             dmap_cs = rt_cs.process(cam)
             dmap_Q = (lbox * dmap_cs.map.T) * dmap_omega.map.T / (np.pi * G * dmap_col)
-            map_Q = np.log10(dmap_Q)
+            map_Q = dmap_Q
 
             im = P.imshow(
                 map_Q,
@@ -352,6 +352,7 @@ def make_image_aux(
                     (radius + center[1]) * lbox_units,
                 ],
                 origin="lower",
+                norm=mpl.colors.LogNorm(),
             )
 
             P.locator_params(axis="x", nbins=ntick)
@@ -362,7 +363,7 @@ def make_image_aux(
             P.xlabel(title_ax[ax_h])
             P.ylabel(title_ax[ax_v])
             cbar = P.colorbar(im)
-            cbar.set_label(r"$log(Q)$")
+            cbar.set_label(r"$Q$")
 
             name = directory + "/Q_" + ax_los + "_" + tag + "_" + format(num, "05")
             name_im = name + out_ext
@@ -747,7 +748,8 @@ def plot_disk_prop(path, num, force=False, tag="", interactive=False):
         P.close()
 
     # Q
-    P.ylim([0, 10.0])
+    P.ylim([0, 5.0])
+    P.grid()
     P.plot(prop_disk["rad"], abs(prop_disk["Q_kepl"]), color="b", linewidth=2)
     P.ylabel(r"$Q$")
     P.xlabel("disk radius ")