Re: [APML]: film speed vs. shutter vib.

[Cary Chleborad <bennu@ns.net>]

> >Slower film is better for planetary photography, correct? But the
> >slower the film you buy the more vibration of the shutter being open
> >longer, wich plays a big part of image degrading, espscially when
> >shooting through an eyepiece. What speed film is best to choose?Thanks,
> 
>    Actually, the longer the exposure, the less the effect of the shutter
> clapping has on the results.  A larger problem with planetary
> photography is our atmosphere.  Getting a sharp window for the duration
> of a photograph is tough.

Has anyone ever tried taking movies of the planets?  The basic idea is
to take a thousand images and wade through them to find the best one. 
Bolex 35mm movie cameras are getting pretty cheap with the advent of
video, and they have t thread lens mounts (i think).  Anyway, just
thought that I'd kick that thought out for fun.
-- 


-Cary Chleborad                 Sacramento, CA
Sacramento Valley Astronomical Society - http://www.calweb.com/~svas/