[AZ-Observing] Re: Sub-arcsec seeing on Anderson Mesa
- From: Tom Polakis <tpolakis@xxxxxxx>
- To: <az-observing@xxxxxxxxxxxxx>
- Date: Thu, 10 Mar 2005 12:39:21 -0500
Yes, especially since those models are only predicting what's happening in the
upper air, and not the local drainage that would likely mean that the seeing on
the same night was >2" at Five Mile Meadow.
Tom
>
> From: <fjkraljic@xxxxxxx>
> Date: 2005/03/10 Thu PM 12:25:40 EST
> To: <az-observing@xxxxxxxxxxxxx>
> Subject: [AZ-Observing] Re: Sub-arcsec seeing on Anderson Mesa
>
>
> Comparing this data with seeing forecast models would make an interesting, if
> not useful comparison if this project is ongoing.
>
> -FRANK
> > From: Brian Skiff <Brian.Skiff@xxxxxxxxxx>
> > Date: 2005/03/09 Wed PM 10:47:06 EST
> > To: az-observing@xxxxxxxxxxxxx
> > CC: amastro@xxxxxxxxxxxxxxx
> > Subject: [AZ-Observing] Sub-arcsec seeing on Anderson Mesa
> >
> > Len Bright has the image-motion monitor running again tonight:
> >
> > http://www.lowell.edu/~lpb/NPOI/rt/seeingStats.html
> >
> > ...which is showing subarsecond seeing in the opening hour. I have
> > my Pronto out doing some casual viewing, and can confirm it is
> > near perfect in the 70mm aperture. I managed to just glimpse the
> > binarity of ADS 6263, the 0".9 pair just east of Procyon. Not resolved,
> > but I estiamted the position angle as 160, and now look up to see
> > that it is currently pa169. I also tried for theta Ori E, the 'fifth'
> > start in the Orion trapezium. At 150x I wouldn't give it any more
> > than a "definite maybe".
> > Poking around elsewhere: the group of clusters involving M46 and M47,
> > plus NGC 2423, Melotte 71, and Melotte 72, make a good series showing
> > the limits of a small telescope. M47 is a scattered cluster but with
> > lots of bright stars; M46 is rich but the stars are much fainter;
> > NGC 2423 is a typical winter Milky Way cluster with a brighter central
> > star and perhaps 15-20 stars resolved; Melotte 71 is clearly a rich
> > cluster but another step fainter, though a nice triangle on one side
> > sets it off; finally Meltte 72 is just too faint for this aperture,
> > though a reasonably bright fuzz is readily detectable.
> >
> > \Brian
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