Please pick a photo
that clearly shows the sun.
no sun Not good have sun Good
process 01
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Next
It will also be best to have the horizon.
no-horizon Not good have horizon Good
process 02
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Please move the line to fit the horizon in your picture so that we can put it in the right place.

Please resize the red circle, make it cover the sun in your picture so we can know the size and position of it.

Please locate the sun center.

process 03
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Ok
process 04
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Ok
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Ok