Updated readme with description of ICESat-2 CryoSat-2 tutorial. Edited ICESat-2-CryoSat2 notebook and edited ATL06 direct access notebook. Added full github urls to figures.

Author: mikala-nsidc

notebooks/ICESat-2_Cloud_Access/ATL06-direct-access.ipynb

@@ -2,18 +2,18 @@
  "cells": [
   {
    "cell_type": "markdown",
-   "id": "97c67e4f-43c4-4a69-9e9b-c45c7c882830",
+   "id": "e0754304-7036-4530-83ec-86cec0f9886b",
    "metadata": {
     "tags": []
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    "source": [
-    "<center>\n",
-    "<img src='./img/nsidc_logo.png'/>\n",
-    "    \n",
+    "\n",
+    "\n",
     "# **Accessing and working with ICESat-2 data in the cloud**\n",
-    "    \n",
-    "</center>\n",
-    "    \n",
+    "\n",
+    "\n",
+    "<div align=\"left\"><img src='https://raw.githubusercontent.com/nsidc/NSIDC-Data-Tutorials/is2-cryo2/notebooks/ICESat-2_Cloud_Access/img/nsidc_logo.png'/></div>\n",
+    "   \n",
     "\n",
     "## **1. Tutorial Overview**\n",
     "\n",
@@ -44,11 +44,10 @@
     "\n",
     "### **Prerequisites**\n",
     "\n",
-    "1. An Amazon Web Services (AWS) account. You will be accessing data in Amazon Web Services (AWS) Simple Storage Service (S3) buckets. This requires an AWS account, for details on how to set one up see [here](https://nsidc.org/data/user-resources/help-center/nasa-earthdata-cloud-data-access-guide#anchor-1).\n",
-    "2. An EC2 instance in the us-west-2 region is set up. **NASA cloud-hosted data is in Amazon Region us-west2. So you also need an EC2 instance in the us-west-2 region.** An EC2 instance is a virtual computer that you create to perform processing operations in place of using your own desktop or laptop.  Details on how to set up an instance can be found [here](https://nsidc.org/data/user-resources/help-center/nasa-earthdata-cloud-data-access-guide#anchor-1).\n",
-    "3. An Earthdata Login is required for data access. If you don't have one, you can register for one [here](https://urs.earthdata.nasa.gov/).\n",
-    "4. A .netrc file, that contains your Earthdata Login credentials, in your home directory. The current recommended practice for authentication is to create a .netrc file in your home directory following [these instructions](https://nsidc.org/support/how/how-do-i-programmatically-request-data-services) (Step 1) and to use the .netrc file for authentication when required for data access during the tutorial.\n",
-    "5. The *nsidc-tutorials* environment is setup and activated. This [README](https://github.com/nsidc/NSIDC-Data-Tutorials/blob/main/README.md) has setup instructions.\n",
+    "1. An EC2 instance in the us-west-2 region. **NASA cloud-hosted data is in Amazon Region us-west2. So you also need an EC2 instance in the us-west-2 region.** An EC2 instance is a virtual computer that you create to perform processing operations in place of using your own desktop or laptop.  Details on how to set up an instance can be found [here](https://nsidc.org/data/user-resources/help-center/nasa-earthdata-cloud-data-access-guide#anchor-1).\n",
+    "2. An Earthdata Login is required for data access. If you don't have one, you can register for one [here](https://urs.earthdata.nasa.gov/).\n",
+    "3. A .netrc file, that contains your Earthdata Login credentials, in your home directory. The current recommended practice for authentication is to create a .netrc file in your home directory following [these instructions](https://nsidc.org/support/how/how-do-i-programmatically-request-data-services) (Step 1) and to use the .netrc file for authentication when required for data access during the tutorial.\n",
+    "4. The *nsidc-tutorials* environment is setup and activated. This [README](https://github.com/nsidc/NSIDC-Data-Tutorials/blob/main/README.md) has setup instructions.\n",
     "\n",
     "### **Example of end product** \n",
     "At the end of this tutorial, the following figure will be generated:\n",