You absolutely need a drive at that magnification and shutter speed. On Fri, 1 Sep 2006, Doug Franklin wrote:
> ryan brooks wrote: > >> I would think that at that kind of focal length you would need a drive to >> compensate for the Earth's rotation. >> >> What shutter speed are you using? > > I wouldn't think so at 1/30 or 1/60 near full moon, which is what I > recall the exposures to have been. The moon pretty much fills the short > side of the frame. > > -- > Thanks, > DougF (KG4LMZ) > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

