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(IAAC) Re: [NHAS] Fwd: McNeil's Nebula with a 16-inch [New amateur discovery]



Roger Greenwood asks:
> Which part is the new nebula, Lew?
> Is it where the 2 lines intersect at the bottom?
Yep, Roger, it's the place marked by the two "tick marks", to
the lower right (southwest) of the image, about 10' below the
mass of dark nebulosity that abuts NGC 2064 in Fera's image.
Here's a nice photo of that region from the DSS, that closely
matches the finder charts below - and clearly shows that this
newly discovered object was NOT apparent during the Survey:
http://archive.stsci.edu/cgi-bin/dss_search?v=poss2ukstu&r=05+46+46.70&d
=%2B00+00+50.0&e=J2000&h=30.0&w=30&f=gif&c=none&fov=NONE&v3=
And by the way, a quick Web search today revealed that this
object has now been reported visually in scopes as small as
10" - though that was in dark, Southwestern skies.
Clear skies, and happy hunting!
Lew
> -----Original Message-----
> From: owner-nhas@lists.mv.net
> [mailto:owner-nhas@lists.mv.net] On Behalf Of Roger Greenwood
> Sent: Tuesday, February 17, 2004 2:55 PM
> To: NHAS CHAT
> Cc: Lew Gramer
> Subject: Re: [NHAS] Fwd: McNeil's Nebula with a 16-inch [New
> amateur discovery]
>
>
> Lew:
>
> Which part is the new nebula?
> Is it where the 2 lines intersect at the bottom?
> I'd love to get this one! This is very exciting!!
>
> -Roger Greenwood
>
> On Feb 17, 2004, at 2:36 PM, Lew Gramer wrote:
>
> > Just a quick note: I've been somewhat remiss in forwarding any
> > of the recent BLIZZARD of postings on "McNeil's Nebula"... This
> > is a bit of variable nebulosity, recently discovered by amateur
> > Jay McNeil with a small amateur scope and CCD, in the same field
> > of view with bright reflection nebula M78, in Orion!
> >
> > And best of all, there are now several confirmations that this
> > exciting curiosity is accessible to VISUAL observers also, in
> > mid- to larger-sized amateur scopes. Below are links to a pair
> > of fine finder photos, from well-known amateur Tom Polakis:
> >
> >  http://www.psiaz.com/polakis/deepsky/mcneils_finder_chart_small.jpg
> >
> >  http://www.psiaz.com/polakis/deepsky/mcneils_finder_chart.jpg
> >
> > I'll be giving this one a try the next time I'm out, for sure!
> >
> >
> > Note: Forwarded without permission of the authors.
> >
> > Clear skies!
> > Lew Gramer
> >
> >
> > -----Original Message-----
> > From: Alan Whitman <...>
> > To: <amastro...>
> > Cc: <rascals....>; <okanaganastronomy...>
> > Sent: Friday, February 13, 2004 2:47 AM
> > Subject: [RASCals] McNeil's Nebula with a 16-inch
> >
> >
> >> I put my 16-inch back into service tonight after months of just
> > plinking
> >> with 8-inch scopes, to hunt for Jay McNeil's discovery. At 152x (a
> >> 12mm
> >> Radian eyepiece with a 24' field of view) I had repeated
> glimpses of
> >> McNeil's Nebula. I only saw one star of the adjacent pair
> and the star
> > was
> >> tougher than the nebula. Many of these images that we have been
> > directed to
> >> show two small nebulosities (both Herbig-Haro objects?) immediately
> > south
> >> of Jay's nebula. I could see the brighter and more southerly one,
> > located
> >> about 6' SSW of McNeil's Nebula, and it was rather easier
> to see than
> >> McNeil's Nebula.
> >>
> >> I didn't try higher powers because when McNeil's Nebula
> was centred in
> > the
> >> 24' field of view of the 12mm Radian there were barely enough faint
> > guide
> >> stars visible to orientate myself and I didn't think that the 8mm
> > Radian
> >> with only a 16' field of view would show enough stars in that
> > dust-obscured
> >> area to be able to navigate. (And Orion was about to enter
> my wife's
> > damn
> >> birch trees which most things do shortly after crossing
> the meridian.)
> >>
> >> It was an enjoyable chase. This was also my first view of
> NGCs 2071
> >> and
> >> 2064 since I usually avoid reflection nebulae. I have to gently
> > disagree
> >> with Tom Polakis who said: "If your scope will show NGC
> 2064, it will
> >> probably also show the new nebula." NGC 2064 is considerably easier
> > than
> >> McNeil's Nebula.
> >>
> >> Best,
> >>
> >> Alan Whitman
> >>
> ----------------------------------------------------------------------
> >> Tom Polakis wrote:
> >>
> >>> Date: Wed, 11 Feb 2004 22:19:22
> >>> From: Tom Polakis <...>
> >>> Subject: Finder Chart for McNeil's Nebula
> >>> I have thrown together a finder chart for McNeil's Nebula
> in M78. If
> > your
> >>> scope will show NGC 2064, it will probably also show the
> new nebula.
> > The
> >>> Web-sized chart is at:
> >>>
> http://www.psiaz.com/polakis/deepsky/mcneils_finder_chart_smal
l.jpg
>>> And if you want it to print out okay, I have resampled the image to
>>> 8.5x11 at 200dpi. You can download this file, and print it from
>>> graphics viewing software.
>>>
>>> http://www.psiaz.com/polakis/deepsky/mcneils_finder_chart.jpg
>>>
>>> I am using Bob Fera's recent image with his permission. It is
rotated
> so
>>> north is up. Finding M78 is left as an exercise for the reader.
>>>
>>> Tom
>
>
>
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