Re: [APML] Mitsuboshi OAG (was: BRC Rosette)

[Matt BenDaniel <matt@starmatt.com>]

Chuck,

Although I get 1's with my ST-4 at 27", my understanding is that even
5's won't show up at the resolution of color film.  Are you saying that
3's will show up on Tech Pan?  The errors will show up as fuzzy or
elongated stars...

Chuck Vaughn wrote:
> 
> Bobby,
> 
> ST-4 corrections of 3 & 4 is bad guiding with a 32" focal length. I would
> expect mostly 0 & 1.
> 
> Chuck <aa6g@aa6g.org>
> 
> ----------------------
> 
> > I was able to guide a 8" f/4 newt with the pick-off before the corrector. I
> > didn't believe it but the st-4 did the job *as long as the st-4 focus point
> > was set exactly*. Corrections typically were 3's and 4's. The out-of-focus
> > guidestar didn't even look like a seagull when out of focus, it looked like
> > two seperate light rays seperated by about 130 degrees and pointed at a
> > common point <g>. If an st-4 will guide on that it will guide on just about
> > anything.
> > Bobby Middleton
-- 
Matt BenDaniel
http://starmatt.com

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