Peter,
I agree with you. Here is a blink comparison of Leonard's M81 with an
image I obtained last week.
http://duphy4.
(Works best for me if I download and then use Media Player.)
A casual count gave 17 SN "candidates" and 1 curious new blob.
Yes, strange, indeed!
Dick
--- In SBIG@yahoogroups.
>
> Something strange here. The last recorded supernova in M81 was in
1993,
> supernova SN 1993J. This is a good example:
>
> http://www.astropix
>
> Certainly not visible now. And there are a number of stars in the
image
> which don't appear in images I've examined including my most recent
one
> last September.
>
>
http://www.madpc.
>
> So either we have an amazing number of sudden outbursts, or more
likely
> there's something wrong with the image.
>
> Peter.
>
> http://www.madpc.
> Approx. 55ºN, 2ºW (Northumberland, UK)
>
> Leonard E. Mercer wrote:
> > Hi Sal,
> >
> > Thanks for your comments.
> >
> > Regarding the Supernova, I assure you that supernovae take their
time to vanish, so
> > I am sure that if you check your raw images, before you stretched
them, you will find a trace of this supernova. Strangly enough I
checked many images of M81, and could not see this supernova
> > visible in any of them. The reason, most probably, is that the
core in these images, has been stretched to cover the supernova.
> >
> > So check once again and let me know whether your raw images
contain this supernova.
> >
> > The 2 Bright stars at just past 9-O'clock are not artifacts the
appear on all the sub. images (of all the channels), so they have to
be stars.
> >
> > Clear Skies,
> >
> > http://messenger.
> >
> > [Non-text portions of this message have been removed]
>
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