In a message dated 7/29/2004 4:27:03 PM Pacific Daylight Time,
lefevre@midway.com writes:
> Some friends using the 10D have gone considerably longer (8-10 minutes) at
> lower ISO values and lower temperatures. But 2 to 4 minutes is plenty -- for
> dimmer objects or deeper images, just take a bunch of the shorter ones and
> stack 'em. A tried and true method that works just as well for DSLRs as it
> does for CCD astro-cams :)
>
> Paul
Here are three to prove the concept:
http://www.pterzian.darkhorizons.org/ccd_images.htm
Phil T.
Received on Thu Jul 29 16:39:03 2004