The camera has to have the ability to do time lapse.
The A95 does not have that ability.
Few, is any, cameras can last 18 hours on one battery charge.
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You might think about a webcam and webcam software.
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Is there a program or some kind of driver out there that I can use for my Powershot? I have a laptop accessible and it will only need to be a 12-18 hr time lapse possibly 24.

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