FreeLists / az-observing / [AZ-Observing] Re: How faint can you go M57 S&T article....

[AJ Crayon <acrayon@xxxxxxxxxxxxxx>]

I didn't check a subset of the URL but if one goes to 
http://c3po.cochise.cc.az.us/astro/ you will find an excellent web page, from 
an excellent club, the Huachuca Astronomy Club in southeastern Arizona.  If you 
have a few minutes please check out the
images and photos link.  There's much more there and I haven't begun to look at 
all of it - yet.

Clear skies - again,
aj

http://c3po.cochise.cc.az.us/astro/

AJ Crayon wrote:

> Thad, I've got two different printouts of M57 with calibration stars, one has 
> black stars on white background and came from 
> http://c3po.cochise.cc.az.us/astro/images/M57!dss2_3.jpg  The other has white 
> stars on black background and works better when at
> the telescope trying to find the central star or just calibrate what you can 
> see.  Unfortunately I don't know where the second one came from but, if you 
> can't find one like it, I'll be glad to make a copy for you.
>
> We deserve clear skies!!!
> aj
>
> Thad Robosson wrote:
>
> > Hey All,
> > Well, M57 is starting to be well placed for the always challenging game of 
> > "find the central star".  Given this, I know that an S&T "how faint can you 
> > see" article by Brian Skiff was done not so long ago. Can someone enlighten 
> > me as to which issue?
> >
> > And....while we're at it, Brian are there any plans for other popular 
> > objects in this manner, or can someone point me to a source that has more 
> > of these....
> >
> > Thanks in advance,
> > Thad
> >
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