[Prev][Next][Index][Thread]
(ATMoB:Discuss) (ATMOB Discuss)Something new in M78?
I just came across a posting in alt.binaries.pictures.astro that said a
new nebula was discovered in the M78 area. Apparently it's visible to
(and was discovered by) an amateur. Just thought I'd pass it along.
Text was:
> "Harri Haukka" <harri*at*taurushill dawt net> wrote in message
> news:Bs_Vb.499$qI1.92362*at*news.uswest dawt net...
> Hey.
>
> I received yesterday some emails that said that there is a
> new "nebula" (or something) forming in M78 region. Have any
> of you received similar mail or have anyone noticed this
> new phenomenon? If you have an old and recent photos from
> M78, I recommend that you compare old and new pictures to
> see if there is really something going on.
> .
> From: "Bill Ferris" <billferris*at*a...>
> Newsgroups: sci.astro.amateur
> Sent: Monday, February 09, 2004 11:01 PM
> Subject: Amateur Discovers New Nebula
> Congratulations to Jay McNeil on his discovery of a new nebula near
M78. The
> following is from Brian Skiff of Lowell Observatory:
> ===========
> Jay McNeil (Paducah KY) recently noticed that a new nebula has appeared
> in the region of M78 in Orion. This was observed with a small CCD camera
> set-up. Passing this information along to Herbig-Haro expert Bo
Reipurth (Univ
> Hawaii), it has been found that the nebula has resulted from the
outburst of an
> embedded star behind the thick dark clouds in the region. The event
is possibly
> similar to eruptions of EX Lupi (prototype of the EXor variables).
Material
> has been submitted for an IAUC announcement, but there is no reason
follow-up
> observations should be delayed now that the Moon is getting out of
the way in
> the evening.
>
> McNeil's Nebula (as it is being called for now) is about an arcminute
> across, and is essentially a new deep-sky object---and is probably a
visual
> object. It is centered at roughly: 5 46 14 -00 05.8 (J2000). Those
with CCD
> cameras will immediately see what's going by comparing new images
with your
> favorite archive DSS images.
>
> The erupting variable, which is too faint (at present) to appear in
> McNeil's images, is located at the tapered southern tip of the new
nebula, and
> has been observed previously only from the near-IR and longward:
>
> IRAS 05436-0007 = 2MASS J05461313-0006048: 5 46 13.14 -00 06 04.8 (J2000)
>
> As no one just now knows when the nebula started to shine it's a good
> idea to look on your old images of M78 and compare them with the
latest images
> you
> take of the nebula.
> ===========
>
> Regards,
>
> Bill Ferris
> "Cosmic Voyage: The Online Resource for Amateur Astronomers"
> URL: http://www.cosmic-voyage dawt net
> =============
> Email: Remove "ic" from dot comic above to respond
>
and:
> Follow these links links:
> IAUC: http://cfa-www.harvard.edu/iauc/08200/08284.html
> HH12:
> http://www.submm.caltech.edu/~dcl/Refereed/1999ApJ...527..856.pdf
> Jorma Koski
--
==========================================================
To err is human. To *really* err requires a C++ compiler.
==========================================================
Follow-Ups: