[AZ-Observing] Re: M27

  From Arne Henden:

Here's an answer from A.Henden AAVSO:

I've placed on
<http://www.aavso.org/tmp2/m27r.jpg>http://www.aavso.org/tmp2/m27r.jpg
a section of a deeper, better seeing image (USNO-FS 1.55m telescope, 
wide R-band,
composite over several years in the mid-1990's) than GaBany's nice 
color image of
approximately the same field.  I do not see any faint galaxy, and the 
resolution of the
discovery image is not sufficient to immediately identify the 
progenitor, though it looks
like it is likely one of the faint objects on this image.  Since the 
limiting magnitude of
my image is about R=26, this makes the total amplitude at least 10 magnitudes.
Since David Boyd gives V=16.17, Ic=16.00, this is a blue object.  It could be
a nova or perhaps a WZ Sge cataclysmic variable.  At minimum, it is an unusual
object that is worthy of an IAUC.
Arne
At 11:41 -0700 8/22/05, Tom Polakis wrote:
>Looks legit.  Has there been any discussion as whether or not this 
>might be a long-period variable star rather than a nova?  There is 
>another Mira variable near the Dumbbell Nebula.  It was discovered 
>by, get this, comparing images on two magazine covers.  Leos Ondra 
>wrote about "the Goldilocks Variable" here:
>
>http://www.seds.org/messier/xtra/leos/gl.html
>
>Don't look at me; I didn't give it that name!
>
>Tom
>
>>  From: Jeff Hopkins <phxjeff@xxxxxxxxxxx>
>>  Date: 2005/08/22 Mon PM 02:11:47 EDT
>>  To: az-observing@xxxxxxxxxxxxx
>>  Subject: [AZ-Observing] M27
>>
>>   From the QCUIAG@xxxxxxxxxxxxxxx  list: Something interesting is
>>  happening near M27. It looks like there may be a nova.
>>
>>  Check
>>
>>  http://astrogazer.us/m27-aug2205-20secX10-0557umt.jpg
>>
>>  and
>>
>>  http://astro.neutral.org/tmp/m27_comp.jpg
>>
>>  for a before and after.
>>
>>  Jeff


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