Aurora seen above trees, even less in focus than the last
https://files.ioc.exchange/media_attachments/files/112/415/969/535/987/716/original/0be7be6dc52fd7e6.jpeg
Here's a few examples of otherwise-nice shots I lost due to this.
I've mostly been able to take camera/tripod motion out of the equation by setting a ~5 second self timer, pressing the shutter button, then stepping away and letting the vibrations damp out before the exposure starts. So this blur should be all defocus.
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