If you have problem with long exposure times after first 1 sec exposure, try this workarround:

github.com/indilib/indi-3rdparty/issues/271

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Simon replied to the topic 'RPI Camera and long exposures' in the forum. 2 weeks ago

Acording to github.com/indilib/indi-3rdparty/issues/271 and my testing the only way is to take first exposure exactly 7 seconds, and all exposures after that will be correct.

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