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[vsnet-chat 4428] Re: [vsnet-alert 5868] Re: (fwd) Strange Star Near M51
- Date: Thu, 10 May 2001 10:53:01 +0200 (MEST)
- To: erik kuulkers <erikk@sron.nl>
- From: Wouter van Reeven <reeven@strw.leidenuniv.nl>
- Subject: [vsnet-chat 4428] Re: [vsnet-alert 5868] Re: (fwd) Strange Star Near M51
- cc: Taichi Kato <tkato@kusastro.kyoto-u.ac.jp>, <vsnet-chat@kusastro.kyoto-u.ac.jp>, <labbey@mindspring.com>
- In-Reply-To: <Pine.HPX.4.05.10105101026270.21640-100000@purple.sron.nl>
- Sender: owner-vsnet-chat@kusastro.kyoto-u.ac.jp
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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