Merge pull request #327 from kakirastern/updating-fits-cubes-ipynb

Updating FITS-cubes tutorial in quarantine

Author: eblur

quarantine/FITS-cubes/FITS-cubes.ipynb

@@ -14,7 +14,7 @@
     "* Read and plot slices across different dimensions of a data cube\n",
     "* Compare different data sets (2D and 3D) by overploting contours\n",
     "* Transform coordinate projections and match data resolutions with `reproject`\n",
-    "* Create intensity moment maps with `spectral_cube`\n",
+    "* Create intensity moment maps / velocity maps with `spectral_cube`\n",
     "\n",
     "## Keywords\n",
     "FITS, radio astronomy, data cubes, contour plots\n",
@@ -489,7 +489,7 @@
     "# and plot the velocity along the x axis\n",
     "\n",
     "# Display the slice\n",
-    "im = ax.imshow(sub_cube_slab[:, lat_slice, :].transpose())  # Display the image slice\n",
+    "im = ax.imshow(sub_cube_slab[:, lat_slice, :].transpose().data)  # Display the image slice\n",
     "ax.invert_yaxis()  # Flips the Y axis \n",
     "\n",
     "# Add axes labels\n",