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Night Cities ISS


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Night cities Tutorial

Hi! Thanks for collaborating in analyzing light pollution georreferencing nigth pictures taken from ISS

The application is really simple, you only need to know about a city and help us to identify some features over it. It loads a photo from International Space Station.

On the left you have the ISS image, and a reference map on the right. If you don't know about the city, just cklick on "I don't know" button. If there is some proble with the image and this is not loaded, then click on "No photo". If you know about the city appears in the image you can make your job.

You can make zoom in, zoom out to take a better view of it. Also you can rotate it to take a better orientation, pressing Shift+left button of the mouse. When you identify a known feture, click over it. A yellow circle will appear on it and the XY coordinates will appear on the right table. Now navigate to the right map and identify this feature over it. When you click, the Lon Lat will appear on the right table.

You can select many feature as you know. If you want to remove any of them, just select it and press the "Remove" button.

When you finish, click on the "Save" button

You have a video tutorial to see the complete process in the next window

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