On Wed, 12 Jul 2006 01:34 +0100 (BST), (Malcolm
Bacchus) wrote:

And is not able to carry out simple tests either. I have just been
outside and taken a photograph of the sky with a shortish exposure as
the astronauts used and, do you know what, THERE ARE NO STARS!!!!!

From:
http://ottawa.rasc.ca/articles/taylo...m/digicam.html

"Another easy way to start is to mount the camera on a steady tripod,
aim it at the sky and take the longest exposure possible. The maximum
sensitivity of modern commercial CCD chips is equivalent to ISO 400
film, which means that the brighter stars can be captured with an
exposure of just a few seconds. "
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