Minor formatting changes

Author: eblur

tutorials/notebooks/FITS-cubes/FITS-cubes.ipynb

@@ -28,11 +28,15 @@
     "\n",
     "This tutorial will walk you though a simple visual analysis of the Small Magellanic Cloud (SMC) using HI 21cm emission and a Herschel 250 micron map. We will learn how to read in data from vizier, query and download matching data from Herschel using astroquery, and plot the resulting images in a multitude of ways. \n",
     "\n",
-    "The primary libraries we will be using are: [astroquery](http://www.astropy.org/astroquery/), [spectral_cube](https://spectral-cube.readthedocs.io/en/latest/), [reproject](https://reproject.readthedocs.io/en/stable/#), [matplotlib](https://matplotlib.org/), and [aplpy](https://aplpy.github.io/)) They can be installed using conda and pip:\n",
+    "The primary libraries we will be using are: [astroquery](http://www.astropy.org/astroquery/), [spectral_cube](https://spectral-cube.readthedocs.io/en/latest/), [reproject](https://reproject.readthedocs.io/en/stable/#), [matplotlib](https://matplotlib.org/), and [aplpy](https://aplpy.github.io/)) \n",
+    "\n",
+    "They can be installed using conda:\n",
     "- `conda install -c astropy astroquery`\n",
-    "- `conda install spectral-cube`\n",
-    "- `conda install reproject`\n",
-    "- `conda install aplpy`"
+    "- `conda install -c astropy spectral-cube`\n",
+    "- `conda install -c astropy reproject`\n",
+    "- `conda install -c astropy aplpy`\n",
+    "\n",
+    "Alternatively, if you don't use conda, you can use pip."
    ]
   },
   {
@@ -888,13 +892,6 @@
     "ax.set_ylim(y_lim)"
    ]
   },
-  {
-   "cell_type": "markdown",
-   "metadata": {},
-   "source": [
-    "## Add some TRY and CHALLENGE items here to wrap things up"
-   ]
-  },
   {
    "cell_type": "markdown",
    "metadata": {
@@ -904,7 +901,8 @@
     "The real power of reproject is in actually changing the map projection used to display the data.  This is done by creating a WCS object that contains a different projection type such as `CTYPE : 'RA---CAR'  'DEC--CAR'` as opposed to `CTYPE : 'RA---TAN'  'DEC--TAN'`. \n",
     "\n",
     "## Challenge:\n",
-    "### Use [reproject](https://reproject.readthedocs.io/en/stable/#) and WCS to create a new WCS object in a different map projection and see distortions in the image can change. "
+    "\n",
+    "Use [reproject](https://reproject.readthedocs.io/en/stable/#) and WCS to create a new WCS object in a different map projection and see distortions in the image can change. "
    ]
   },
   {
@@ -937,21 +935,21 @@
  ],
  "metadata": {
   "kernelspec": {
-   "display_name": "Python [default]",
+   "display_name": "Python 2",
    "language": "python",
-   "name": "python3"
+   "name": "python2"
   },
   "language_info": {
    "codemirror_mode": {
     "name": "ipython",
-    "version": 3
+    "version": 2
    },
    "file_extension": ".py",
    "mimetype": "text/x-python",
    "name": "python",
    "nbconvert_exporter": "python",
-   "pygments_lexer": "ipython3",
-   "version": "3.6.2"
+   "pygments_lexer": "ipython2",
+   "version": "2.7.13"
   }
  },
  "nbformat": 4,