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Originally Posted by Portmac
Thanks all 
@Denis
Regarding point 1., does this also apply to capturing avi's? |
Hi Portmac
Yes - it's a kind of rule-of-thumb that applies to any ccd capture device for Jupiter, whether it be an LPI or ToUcam, although a shorter focal length instrument is more forgiving. For my C9.25 with a x2.5 Barlow, 90 secs seems to work fine.
So, if you can stack 50 LPI images in 90 secs, that's good and if you capture an avi at say 10fps, then that will give you 900 frames in a 90 sec capture.
Cheers
Dennis
PS - The above applies to Jupiter only. For Saturn and the Moon I usually expose up to 210 seconds as over that, Registax seems to fall over when trying to process the larger avi's.