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

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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