You will have to try that with the 10 RC next year.
---------
Phil Chambers [ptchamb@No-Spam] (S.F. Bay Area - Calif. USA)
On Sat, 29 Apr 1999, Ray Gralak wrote:
> Well, that wasn't too hard! I was on my eighth 10-minute exposure
> when I went over to the computer and scaled the latest 10-minute
> image and wow!!! there it was. So here is a 10-minute exposure
> with my 5-inch refractor at f/16 (using a 2x AP barlow to get the
> extra image scale).
>
> No processing was done to the image besides a dark subtract and
> flat fielding. Of course I had to do a linear scale to back off
> the intensity of M87. This was done from my backyard in San Jose.
>
> http://www.gralak.com/Astro/M87-Jet.jpg
>
> -Ray Gralak
>
>
> > -----Original Message-----
> > From: owner-sf-bay-tac@No-Spam [mailto:owner-sf-bay-tac@seds.org]On
> > Behalf Of Jim & Mai Shields
> > Sent: Friday, April 28, 1999 7:07 PM
> > To: sf-bay-tac@No-Spam
> > Subject: Imaging the M87 Jet
> >
> >
> > Ray Gralak wrote:
> >
> > >I wonder if I can capture the jet from my backyard? I calculate I
> > >would need 200 minutes of exposure at f/16 to get the same S/N. But
> > >it looks like I won't need quite that much. Was this image taken
> > >from a dark site Jim?
> >
> > Dave Healy took it from his observatory in a small town in southeastern
> > Arizona, so: Yes, I think it's pretty dark there. You can learn more if you
> > click the link from my webpage to the "Huachuca Astronomy Club." (The link
> > is just below the image itself.)
> >
> > Jim Shields
> >
> >
> >
> >
> >
>
