Thanks, Ralf. I remember seeing these.
Allen, pay attention to the mounting and guiding requirements even at
short focal lengths. It gets a *lot* harder at long focal lengths.
Chuck Norcutt
Ralf Loi wrote:
> I've posted already these, but here you will find some astropics done
> mainly with a 135mm (one with a 300mm):
> http://community.webshots.com/user/giralfino
> I remember writing the specs (lens, shutter time, film), but it seems they
> are gone.
> Requisites: equatorial mount with correction facility as the shutter speed
> for the pics showed are in the order of 10/15 minutes, a scope for guiding,
> great precision of guide, and lot of patience.
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