diff --git a/tutorials/FITS-cubes/FITS-cubes.ipynb b/tutorials/FITS-cubes/FITS-cubes.ipynb
index d3bd033a..33a7be74 100755
--- a/tutorials/FITS-cubes/FITS-cubes.ipynb
+++ b/tutorials/FITS-cubes/FITS-cubes.ipynb
@@ -591,7 +591,7 @@
     "\n",
     "# Display the moment map image\n",
     "im = ax.imshow(herschel_data_nonans, cmap='viridis', \n",
-    "               norm=LogNorm(), vmin=2, vmax=50)\n",
+    "               norm=LogNorm(vmin=2, vmax=50))\n",
     "# ax.invert_yaxis() # Flips the Y axis \n",
     "\n",
     "# Add axes labels\n",
@@ -633,7 +633,7 @@
     "\n",
     "# Display the moment map image\n",
     "im = ax.imshow(herschel_data_nonans, cmap='viridis', \n",
-    "               norm=LogNorm(), vmin=5, vmax=50, alpha=.8)\n",
+    "               norm=LogNorm(vmin=5, vmax=50), alpha=.8)\n",
     "# ax.invert_yaxis() # Flips the Y axis \n",
     "\n",
     "# Add axes labels\n",
@@ -748,7 +748,7 @@
     "\n",
     "# Display the moment map image\n",
     "im = ax.imshow(rescaled_herschel_data_nonans, cmap = 'viridis', \n",
-    "               norm = LogNorm(), vmin = 5, vmax = 50, alpha = .8)\n",
+    "               norm = LogNorm(vmin=5, vmax=50), alpha = .8)\n",
     "#im = ax.imshow(rescaled_herschel_imagehdu.data, cmap = 'viridis', \n",
     "#               norm = LogNorm(), vmin = 5, vmax = 50, alpha = .8)\n",
     "ax.invert_yaxis() # Flips the Y axis \n",
diff --git a/tutorials/astropy-coordinates/1-Coordinates-Intro.ipynb b/tutorials/astropy-coordinates/1-Coordinates-Intro.ipynb
index e16e8457..3e3dff2a 100644
--- a/tutorials/astropy-coordinates/1-Coordinates-Intro.ipynb
+++ b/tutorials/astropy-coordinates/1-Coordinates-Intro.ipynb
@@ -295,17 +295,19 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "cols = ['source_id',\n",
-    " 'ra',\n",
-    " 'dec',\n",
-    " 'parallax',\n",
-    " 'parallax_error',\n",
-    " 'pmra',\n",
-    " 'pmdec',\n",
-    " 'radial_velocity',\n",
-    " 'phot_g_mean_mag',\n",
-    " 'phot_bp_mean_mag',\n",
-    " 'phot_rp_mean_mag']\n",
+    "cols = [\n",
+    "    'source_id',\n",
+    "    'ra',\n",
+    "    'dec',\n",
+    "    'parallax',\n",
+    "    'parallax_error',\n",
+    "    'pmra',\n",
+    "    'pmdec',\n",
+    "    'radial_velocity',\n",
+    "    'phot_g_mean_mag',\n",
+    "    'phot_bp_mean_mag',\n",
+    "    'phot_rp_mean_mag'\n",
+    "]\n",
     "ngc188_table[cols].write('gaia_results.fits', overwrite=True)"
    ]
   },
@@ -503,7 +505,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "gaia_dist = Distance(parallax=ngc188_table_3d['parallax'])"
+    "gaia_dist = Distance(parallax=ngc188_table_3d['parallax'].filled(np.nan))"
    ]
   },
   {
diff --git a/tutorials/gaia-galactic-orbits/gaia-galactic-orbits.ipynb b/tutorials/gaia-galactic-orbits/gaia-galactic-orbits.ipynb
index 199a7931..13620319 100644
--- a/tutorials/gaia-galactic-orbits/gaia-galactic-orbits.ipynb
+++ b/tutorials/gaia-galactic-orbits/gaia-galactic-orbits.ipynb
@@ -490,7 +490,7 @@
    "source": [
     "fig, ax = plt.subplots(1, 1, figsize=(6, 6))\n",
     "\n",
-    "ax.plot(BP_RP, M_G, \n",
+    "ax.plot(BP_RP.value, M_G.value, \n",
     "        marker='.', linestyle='none', alpha=0.3)\n",
     "\n",
     "ax.set_xlim(0, 3)\n",
@@ -576,12 +576,12 @@
    "source": [
     "fig, ax = plt.subplots(1, 1, figsize=(6, 6))\n",
     "\n",
-    "ax.plot(BP_RP, M_G, \n",
+    "ax.plot(BP_RP.value, M_G.value, \n",
     "        marker='.', linestyle='none', alpha=0.1)\n",
     "\n",
     "for mask, color in zip([lo_mass_mask, hi_mass_mask],\n",
     "                       [lo_mass_color, hi_mass_color]):\n",
-    "    ax.plot(BP_RP[mask], M_G[mask], \n",
+    "    ax.plot(BP_RP[mask].value, M_G[mask].value, \n",
     "            marker='.', linestyle='none', \n",
     "            alpha=0.5, color=color)\n",
     "\n",