[AZ-Observing] Re: Six Hours of Polar Sky Rotation

Heh, Heh.  Yeah, its the expensive one.  It opens many
more opportunities to astro imagers.  10 min subs
means 10 minute darks and I can get more shots in each
night that way.  

chris
--- William R Wood <w.wood@xxxxxxx> wrote:

> Chris,
> 
> Really neat picture!
> 
> Was the automated timer the rather expensive Canon
> programmable timer - 
> TC80N3?
> 
> Probably a dumb question (I am just starting to
> learn photography) but why 
> 36, 10min exposures instead of say, 6, 60min
> exposures or even 1, 360 min 
> exposure?
> 
> You are forcing me to get a fisheye!
> 
> Thanks,
> 
> Bill Wood
> 
> 
> +++++++++++++
> 
> 
> Hi All,
> 
> Just finished this new shot, which required tons of
> computer processing power to bring to fruition. 
> This
> image vividly demonstrates the earths rotation in a
> very special way:
> 
>
http://www.schursastrophotography.com/xtiastro/polarrotation091007.html
> 
> Hope you like it.
> 
> chris
> 
> 
> --
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> send personal replies to the author, not the list.
> 
> 



       
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