[AZ-Observing] Re: Summer Night Sky from Payson
- From: Chris Schur <comets133@xxxxxxxxx>
- To: az-observing@xxxxxxxxxxxxx
- Date: Tue, 11 Sep 2007 05:29:27 -0700 (PDT)
HI Brian, I havent had the time yet to try a stop
down, but thats planned. Im sure the residual
chromatic abberation will be improved for sure. Pairs
of shots with fisheyes are very hard to register! I
will see if registar can handle this task.
chris
--- Brian Skiff <bas@xxxxxxxxxx> wrote:
> >>
>
http://www.schursastrophotography.com/xtiastro/fisheye090907.html
>
> Looks fine. Here's what I'd do:
>
> o stop it down (if possible) to the half-stop
> between f/4 and f/5.6
> (i.e. about 1 stop down from wide-open)
>
> o take pairs of shots like this with a slight
> shift in the camera
> (few pixels equivalent) every couple of hours
> from dusk to dawn
> on all reasonably clear nights
>
>
> \Brian
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