[vsnet-alert 15552] Re: Caution on MR UMa measurements

Bill Goff b-goff at sbcglobal.net
Fri Mar 29 00:15:18 JST 2013


Gordon,
Yes, I agree, they are right on top of each other in my images.  I can't resolve them with aperture photometry and my seeing.  The VSP plot at the G scale also shows the target and the 159 comp on top of each other.

Bill Goff

On Mar 27, 2013, at 9:23 PM, Gordon Myers <gordonmyers at hotmail.com> wrote:

> The AAVSO plot of MR UMa looks like some measurements are of the 15.8
> magnitude star 5 arc seconds south of MR UMa, not the target itself.  Check
> out the reference image at 
> 
> http://deneb.astro.warwick.ac.uk/phsdaj/public_html/12870/MR-UMa.sdss.gif
> 
> Ken Menzies and I have MR UMa around 17.5 
> 
> Let me know if you think I'm the one in error...
> 
> Gordon
> 
> 
> 


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