[AZ-Observing] Re: Saturday night at Cherry Rd. - NGC 7129
- From: "bobe at ngcic.org" <bobe@xxxxxxxxx>
- To: <az-observing@xxxxxxxxxxxxx>
- Date: Mon, 27 Aug 2001 12:48:06 -0700
All,
Tom is indeed correct - I've even queried Dr. Corwin as well on this object
as of late, and he stedfastly stands by his notes. I'm currently working on
the NGC 7100 thru NGC 7199 group to update the on-line database with, and
N7133 will get some major modification from what it now shows.
/Bob
---------------------------------------------------------------
"I do not feel obliged to believe that the same God who has
endowed us with sense, reason, and intellect has intended us
to forgo their use." - Galileo Galilei
---------------------------------------------------------------
Bob Erdmann - Core Team Member & Webmaster
The NGC/IC Project - http://www.ngcic.org
e-mail: bobe@xxxxxxxxx
----- Original Message -----
From: <polakis@xxxxxxxx>
To: <"Reply-To:a???????????????
Sent: Monday, August 27, 2001 8:57 AM
Subject: [AZ-Observing] Re: Saturday night at Cherry Rd. - NGC 7129
> Okay, I'll be Brian this time. It's quite possible that Megastar,
> SkyMap, Uranometria 2000.0, and others are all in error, since they
> all took their catalogue data from the same erroneous source. There
> is currently no mystery surrounding NGC 7133. It doesn't exist. And
> NGC 7129 is a nebula with a half dozen bright stars.
>
> If there is any doubt about an NGC or IC identification, the best
> place to go is Bob Erdmann's site: http://www.ngcic.org. Click on
> "Corrected NGC/IC", then click on "Harold G. Corwin Jr.'s NGC and IC
> Databases". There you'll find Harold's explanation of the object and
> non-object.
>
> I agree that I wouldn't put NGC 7129 in my "100 Best of" list, but
> there it is.
>
> Tom
>
>
>
> >
> > Bill,
> >
> > I too thought 7133 might be it, But accoring to the SAC db 7133 in
> "non
> > existant" and per the NGC Project, it is part of NGC 7129. Clearly
> there is
> > room for debate on these objects. I guess it's all part of the fun!
> >
> > Rick Tejera
> > Editor SACnews
> > Saguaro Astronomy Club
> > Phoenix, Arizona
> >
> >
> > -----Original Message-----
> > From: BillFerris@xxxxxxx [mailto:BillFerris@xxxxxxx]
> > Sent: Monday, August 27, 2001 7:47 AM
> > To: az-observing@xxxxxxxxxxxxx
> > Subject: [AZ-Observing] Re: Saturday night at Cherry Rd.
> >
> >
> > Rick,
> >
> > Megastar shows NGC 7133 as a reflection nebula, 9'.5x6'.8, 20' south
> and one
> >
> > degree west of the open cluster NGC 7142. NGC 7129, 2'.7 in
> diameter, is
> > shown another 15' west of NGC 7133 and described as a "cluster +
> nebula."
> > Perhaps, you observed NGC 7133?
> >
> > Regarding NGC 7142, I observed this on August 17. Under 82X
> magnification in
> >
> > my 10-inch, this open cluster revealed 16 members embedded within an
> > unresolved glow, 5' in diameter. PPM 23179 was visible 8' due north.
> > Megastar
> > shows the cluster nearly centered on GSC 4274:1845 however, my
> sketch shows
> > the cluster immediately to the south of the GSC star.
> >
> > Regards,
> >
> > Bill Ferris
> > Flagstaff
> >
> > Rick Tejera wrote:
> >
> > > The enigma of the night was NGC 7129, an open cluster in Cepheus.
> The
> > Dreyer
> > > description says this is a remarkable object, Considerably faint,
> pretty
> > > large, gradually brighter toward the middle. It ain't so. Both
> Thad and
> > > spent at least hour on this trying to identify it. We noted that
> OC NGC
> > > 7142 should be in the same field. There is an "L" shaped asterism,
> which
> > > according to the Millennium Sky Atlas should point right to it.
> Nothing
> > was
> > > noted where the cluster should've been.
> > > Tom Polakis checked also and confirmed for us that we did have the
> correct
> > > field. He did notice a very faint reflection nebula nearby. He
> said he'd
> > > check his notes on this and let us know what he found out. Later,
> we found
> >
> > > out, according to the NGC project, that this object is not an open
> cluster
> >
> > > but rather a refection nebula, so the nebulosity we saw was NGC
> 7129.
> > Given
> > > the faintness and lack of any kind of detail, I'm wondering how
> this made
> > > the SAC-110. Steve?
> > >
> >
> > Bill Ferris
> > "Cosmic Voyage: The Online Resource for Amateur Astronomers"
> > URL: http://www.cosmic-voyage.net
> >
> >
> > ---
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>
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