Aurora - bracket processing failure



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    Kate Williams

    Hi Bruce, 

    In order to compose bracket groups, Aurora reads the images' metadata and checks for the following:

    Rule 1

    • Same file extension
    • Same exposure program
    • Same focal length

    Rule 2

    • Time difference between shots is less than 4 seconds

    Rule 3

    • If the image cannot be previewed the time difference between brackets should be less than 15 seconds in order for them to be recognized as a group

    Rule 4

    • Edges comparing

    In case any of these checks returns false, the image will be recognized as a single.

    Also, please note that you can manually customize the bracket groups and even create new ones. 
    Just drag a bracket to a group of your choice, see the screenshot: 


    If dragging a bracket to a group doesn't work, please contact us at and send us the original files you're working with. Here's how: 

    1. Visit
    2. If it's your first time visiting this website, it might ask you to purchase a subscription. Simply select to proceed with the free version.
    3. Click Add your files.
    4. Select the file(s) on your computer.
    5. After you see all the files you need to send appear in the list, click the icon to the left of the Transfer button (the icon looks like a circle with three dots in it).
    6. In Send As select Link.
    7. Click Transfer.
    8. After the files have finished uploading, click Copy Link and paste it into your support request at
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