[OM] Re: new models?

[Chuck Norcutt]

Image stacking in astrophotography is used to add, say, 10 six hour 
exposures taken over 10 successive nights.  It's allowing me in this 
case to have a 60 hour exposure.

In my example with the camera I've still only got a total of 1/60 
second.  Where do I get some more 1/60 seconds?

Chuck Norcutt

AG Schnozz wrote:

>>the appropriate shutter speed is 1/60 second?  If it takes
>>1/60 second to build up enough photons on the sensor how is
>>it going to take additional exposures during the shutter
>>interval?
> 
> 
> Real-time image-stacking.
> 
> Image-stacking is used all the time in astrophotography as well
> as some scientific applications.
> 
> AG



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