[vsnet-chat 4429] Re: (fwd) Strange Star Near M51

[erik kuulkers <erikk@sron.nl>]

Hmmm, true. I misread that they were taken just after each other; I
thought they were taken on different days...
But Lenny Abbey mentions he checked other images (his?) and conclude it
must be a real star. I'm wondering now what kind of images were checked
and when they were taken.

Erik

> Sorry, that's no possibility. A nova just cannot appear on one image and
> disappear on the next while the two images are less then an hour apart.
> 
> 
> Regards,
> 
> Wouter van Reeven
> 
> > Maybe it is a nova? What is the position of the "missing" star?
> >
> > Regards,
> >
> > Erik
> >
> >
> > On Thu, 10 May 2001, Wouter van Reeven wrote:
> >
> > > Hi,
> > >
> > > I checked with the Digitized Sky Survey, first survey, and the "star"
> > > doesn't show up on that image. My guess is it's not a real object.
> > >
> > >
> > > Wouter van Reeven
> > >
> > >
> > > > (fwd) Strange Star Near M51
> > > >
> > > > From: Lenny Abbey <labbey@mindspring.com>
> > > > Date: Thu, 10 May 2001 03:30:50 -0400
> > > >
> > > > I am appending a message from my local club email list. Does anyone have
> > > > any suggestions as to what might be going on?
> > > >
> > > > Lenny
> > > >
> > > >
> > > > -------------------------------------------------
> > > > Lenny Abbey
> > > > Atlanta, Georgia
> > > > 404-634-1222
> > > >
> > > > Last Friday at Villa Rica I decided to try my luck at photographing
> > > > m51. I was able to get two exposures--the first was 30 minutes, the
> > > > second was 45. After I got them developed I scanned them into
> > > > Photoshop for some editing. As I was stacking the images, I noticed
> > > > something very peculiar. In the second exposure there is a star
> > > > missing! Thinking that this might not have been a real star (maybe
> > > > the result of bad development) I checked some other images of this
> > > > field and found that it is in fact a real star. So my question is,
> > > > what could have happened to the second exposure to make this star
> > > > disappear? Here is a link to the two images for comparison:
> > > >
> > > > http://personal.atl.bellsouth.net/~dabar/m51.htm
> > > >
> > > > Thanks in advance for any suggestions.
> > > > David Barmore
> > > >
> > > > PS...I'll also post the composite image to the files section. Please
> > > > let me know what you think. This was only my third roll of prime
> > > > focus DSO's. Any comments would be greatly appreciated.
> > > >
> > > >
> > >
> > > --
> > > |    Alone in the clouds all blue...     |
> > > |                                        |
> > > |       Wouter 'Teus' van Reeven         |
> > > |       Reeven@Strw.LeidenUniv.Nl        |
> > > | http://vsnet.strw.leidenuniv.nl/~reeven/ |
> > > |     telephone : 071 - (527) 58 13      |
> > > |            icq 34696027                |
> > >
> > >
> >
> >
> >
> 
> --
> |    Alone in the clouds all blue...     |
> |                                        |
> |       Wouter 'Teus' van Reeven         |
> |       Reeven@Strw.LeidenUniv.Nl        |
> | http://vsnet.strw.leidenuniv.nl/~reeven/ |
> |     telephone : 071 - (527) 58 13      |
> |            icq 34696027                |
> 
>

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