- "html_template": "<h1 id=\"EPIC\">EPIC</h1> <section class=\"alert-error\"><strong>⚠ Service Outage Notice:</strong> This API is currently experiencing an unscheduled outage. We are working to resolve the issue as quickly as possible. We apologize for any inconvenience.</section> <p> The EPIC API provides information on the daily imagery collected by DSCOVR's Earth Polychromatic Imaging Camera (EPIC) instrument. Uniquely positioned at the Earth-Sun Lagrange point, EPIC provides full disc imagery of the Earth and captures unique perspectives of certain astronomical events such as lunar transits using a 2048x2048 pixel CCD (Charge Coupled Device) detector coupled to a 30-cm aperture Cassegrain telescope. </p><p> Image metadata and key information are provided by the JSON API and can be requested by date and for the most recent available date. A listing of all available dates can also be retrieved via the API for more granular control. </p><p> Development of the EPIC API began in 2015, and is supported by the web development team for the <a href='http://atmospheres.gsfc.nasa.gov' target='_blank'>Laboratory for Atmospheres</a> in the Earth Sciences Division of the Goddard Space Flight Center. More information regarding the API and retrieval of the imagery for download can be found on the <a href='http://epic.gsfc.nasa.gov' target='_blank'>EPIC website</a>. </p><h3>Retrievable Metadata</h3> <p> The following information is available for every image in the collection: </p><ul> <li>Image [name]</li><li>Date</li><li>Caption</li><li>centroid_coordinates</li><li>dscovr_j2000_position</li><li>lunar_j2000_position</li><li>sun_j2000_position</li><li>attitude_quaternions</li></ul> <br><p><strong>Example image:</strong></p><p><img style='width:75%;' src=\"https://api.nasa.gov/EPIC/archive/natural/2019/05/30/png/epic_1b_20190530011359.png?api_key=DEMO_KEY\"/></p><h3 id=\"example-query\">Querying by Date(s)</h3> <table> <thead> <tr> <th>Parameter</th> <th>Type</th> <th>Default</th> <th>Description</th> </tr></thead> <tbody> <tr> <td>natural</td><td>string</td><td>Most Recent Natural Color</td><td>Metadata on the most recent date of natural color imagery.</td></tr><tr> <td>natural/date</td><td>YYYY-MM-DD</td><td>Most Recent Available</td><td>Metadata for natural color imagery available for a given date.</td></tr><tr> <td>natural/all</td><td>string</td><td>Dates for Natural Color</td><td>A listing of all dates with available natural color imagery.</td></tr><tr> <td>natural/available</td><td>string</td><td>Dates for Natural Color</td><td>Alternate listing of all dates with available natural color imagery.</td></tr><tr> <td>enhanced</td><td>string</td><td>Most Recent Enhanced Color</td><td>Metadata on the most recent date of enhanced color imagery.</td></tr><tr> <td>enhanced/date</td><td>YYYY-MM-DD</td><td>Most Recent Available</td><td>Metadata for enhanced color imagery for a given date.</td></tr><tr> <td>enhanced/all</td><td>string</td><td>Dates for Enhanced Imagery</td><td>A listing of all dates with available enhanced color imagery.</td></tr><tr> <td>enhanced/available</td><td>string</td><td>Dates for Enhanced Imagery</td><td>Alternate listing of all dates with available enhanced color imagery.</td></tr><tr> <td>api_key</td><td>string</td><td>DEMO_KEY</td><td>API key from api.nasa.gov for expanded usage.</td></tr></tbody> </table> <h3 id=\"example-query\">Example queries</h3> <p> <a href=\"https://api.nasa.gov/EPIC/api/natural/images?api_key=DEMO_KEY\"> <code class=\"prettyprint\"> https://api.nasa.gov/EPIC/api/natural/images?api_key=DEMO_KEY </code> </a> <br><a href=\"https://api.nasa.gov/EPIC/api/natural/date/2019-05-30?api_key=DEMO_KEY\"> <code class=\"prettyprint\"> https://api.nasa.gov/EPIC/api/natural/date/2019-05-30?api_key=DEMO_KEY </code> </a> <br><a href=\"https://api.nasa.gov/EPIC/api/natural/all?api_key=DEMO_KEY\"> <code class=\"prettyprint\"> https://api.nasa.gov/EPIC/api/natural/all?api_key=DEMO_KEY </code> </a> <br><a href=\"https://api.nasa.gov/EPIC/archive/natural/2019/05/30/png/epic_1b_20190530011359.png?api_key=DEMO_KEY\"> <code class=\"prettyprint\"> https://api.nasa.gov/EPIC/archive/natural/2019/05/30/png/epic_1b_20190530011359.png?api_key=DEMO_KEY </code> </a> </p><p> More examples and usage tips can be found on the <a href='https://epic.gsfc.nasa.gov/about/api' target='_blank'>EPIC API Documentation Page</a>. </p><p> </p>"
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