Supernova 2008m - Imaged January 20th 2008

Discovered 2008/01/15.12 by BRASS. Found in ESO 121-026 at R.A. =
06h21m41s.28, Decl. = -59°43'45".4

http://www.martin-nicholson.info/supernova2007/supernova2008m.htm

Martin Nicholson, Daventry, England.
http://www.martin-nicholson.info/1/1a.htm

Visit the Astronomical Hall of Shame at http://www.geocities.com/queen5658/

Martin,

If you look carefully at the background of your two latest supernova
images, there are lots (!) of faint doughnuts. Any idea what is
happening?

Anthony.

On Jan 20, 4:28 pm, ukastronomy 
wrote:
> Supernova 2008m - Imaged January 20th 2008
>
> Discovered 2008/01/15.12 by BRASS. Found in ESO 121-026 at R.A. =
> 06h21m41s.28, Decl. = -59°43'45".4
>
> http://www.martin-nicholson.info/supernova2007/supernova2008m.htm
>
> Martin Nicholson, Daventry, England.http://www.martin-nicholson.info/1/1a.htm
>
> Visit the Astronomical Hall of Shame athttp://www.geocities.com/queen5658/

On 20 Jan, 23:28, Anthony Ayiomamitis  wrote:
> Martin,
>
> If you look carefully at the background of your two latest supernova
> images, there are lots (!) of faint doughnuts. Any idea what is
> happening?
>
> Anthony.
>
> On Jan 20, 4:28 pm, ukastronomy 
> wrote:
>
>
>
> > Supernova 2008m - Imaged January 20th 2008
>
> > Discovered 2008/01/15.12 by BRASS. Found in ESO 121-026 at R.A. =
> > 06h21m41s.28, Decl. = -59°43'45".4
>
> >http://www.martin-nicholson.info/supernova2007/supernova2008m.htm
>
> > Martin Nicholson, Daventry, England.http://www.martin-nicholson.info/1/1a.htm
>
> > Visit the Astronomical Hall of Shame athttp://www.geocities.com/queen5658/- Hide quoted text -
>
> - Show quoted text -

Combination of imaging when moon is nearly full and needing to redo
the flats