RE: [Spam] Re: ROSAT: evolution of predicted decay v9

From: Allen Thomson (
Date: Sat Oct 22 2011 - 21:48:46 UTC

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    > All digital cameras record what is known as EXIF data and insert that
    > in an image, along with GPS data. If you can access the uploaded
    > image (ie posted on a website) and it hasn't been modified in a 
    > processing package that modifies the data header, you can read that 
    > data which has the image date/time.  
    Not to remain OT for long, but there's a freeware image viewer called IrfanView that, if you get the optional plugins, allows easy access to the EXIF data. I just gave myself a birthday present of a Casio Exilim EX-H20G camera with built-in GPS that writes to the EXIF file, and it plays well with IrfanView.
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