Downloading Corona imagery

Searching for Corona in EarthExplorer

Corona imagery can be downloaded from the EarthExplorer website.

• 1) Make sure you are logged in and select your study area.

_{Select your study area.}

_{Revisit Week 3.4 if you need a reminder on how to do this.}

• 2) Click on the “Data Sets »” button.
• 3) Expand “Declassified Data” and tick “Declass 1 (1996)”. This refers to the year in which the imagery was declassified by the US government.

_{Selecting the right set of declassified data.}

• 4) Click the “Additional Criteria »” button.
• 5) Expand “Camera Resolution” and select “Stereo High”.
• 6) Expand “Download Available” and select “Yes”. This will show you all the images of your area that are free to download.
• 7) Click the “Results »” button.

_{Selecting only high-resolution Corona imagery that is available for download.}

You should now have a page of results of Corona imagery of your area of interest!

Downloading Corona imagery

We now have to select which Corona image we are going to download.

• 1) Use the “Show Footprint” button to show the extent of images to help narrow down your choice.

_{Image footprints will help narrow down your choice.}

• 2) Use the “Show Browse Overlay” button to check that images you might like to download are not cloudy.

_{Using the “Show Browse Overlay” button to display low resolution versions of your Corona images.}

• 3) Once you have chosen an image, click the “Download Options” button and then click the “Download” button in the new window.

_{Downloading our chosen image.}

Corona images are big files, so they may take a while to download!