Dan,
My scope is f6,3 and I do indeen measure image sizes by using The Sky
and displaying and comparing the image and a known FOV. As far as I can
find the FOVs are pretty realistic....
take care
Alf J

Dan Muncy wrote:

> Alf
> how are you getting your f ratio? You are using 3.3 focal reducer
> on a f10 scope and coming up with a 2.1 f ratio. Are you measuring
> image size?
> Dan
> ----- Original Message -----
> Sent: Tuesday, June 08, 1999 9:55 AM
> Subject: Re: [M]: Re: WEB
>
> > Gregg,
> > Thanks ! Yes, I have a lot of time to do processing and this is
> a skill that I
> > need to work on. I am also planning to go to southern Europe
> next year to
> > image Scorpius objects and other southern object not visible
> from here....
> > anyone knowing a good location in Spain ?
> > Take care
> > Alf J
> >
> > Gregg Ruppel wrote:
> >
> > > Alf:
> > >
> > > Very nice page! Congratulations. I particularly like your
> method of
> > > displaying images with the technical data right next to the
> image. Looks
> > > like you've been making optimal use of the few good observing
> days you get.
> > > Look on the bright side of having only 3-4 good days per
> month - you have
> > > lots of time to process your images! Thanks for sharing your
> images.
> > > Gregg Ruppel
> > > visit my astronomy web site at:
> > > http:/members.aol.com/gruppel973/
> > > ----- Original Message -----
> > > Sent: Tuesday, June 08, 1999 10:47 AM
> > > Subject: [M]: WEB
> > >
> > > > Dear friends,
> > > > At last i have released my web page.... the section on
> astronomy is
> > > > opened. Please take a look at
> http://home.sol.no/~alfnil/index.htm
> > > >
> > > > take care
> > > > Alf J
> > > >
> >
> >
> >
> >

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