Re: Mark IV data off by one day

["Gary W. Billings" <obs681@telusplanet.net>]

Alas, I can't find any asteroids that meet your criteria!  I really
surprised!  But, you're *mostly* away from the ecliptic, and there aren't
many as bright as mag 11.  Rats!

g.


----- Original Message -----
From: "Thomas Droege" <tdroege2@earthlink.net>
To: "Billings, Gary W." <obs681@telusplanet.net>; <tass@listserv.wwa.com>
Sent: Thursday, June 10, 2004 8:54 PM
Subject: Re: Mark IV data off by one day


> Gary,
>
> A good idea.  It does not have to move much.  So a search for an asteroid
> in the data would tell since our astrometry is usually good to 1 arc
> second.  An astroid that moved a few arc seconds a day would tell the
tale.
>
> Anyone want to take this on?  What we need are mag 9-11 asteroida that
move
> say 10 or more arc seconds a day somewhere between 160 and 270 degrees in
> RA and 18 to 50 degrees in Dec.  The day is 2453109 If you get the
position
> of asteroids at the time that they cross the zenith they will be pretty
> close in time to when I measure them.  I will need a few, because the way
I
> was taking data in April only covered about half the sky.
>
> Tom Droege
>
>
> > [Original Message]
> > From: Gary W. Billings <obs681@telusplanet.net>
> > To: <tass@listserv.wwa.com>
> > Date: 6/10/2004 9:03:42 PM
> > Subject: Re: Mark IV data off by one day
> >
> > If there are any frames from the day in question that captured a
> > sufficiently bright moving asteroid...  that could move from "absence of
> > evidence" to "evidence of absence" of a day error...
> >
> > g.
> >
> > ----- Original Message -----
> > From: "Thomas Droege" <tdroege2@earthlink.net>
> > To: "Man, Stupendous" <richmond@stupendous.cis.rit.edu>;
> > <tass@listserv.wwa.com>
> > Cc: <mwrsps@rit.edu>
> > Sent: Thursday, June 10, 2004 5:24 PM
> > Subject: RE: Mark IV data off by one day
> >
> >
> > > Here is an attempt to look another way at the possibility that the
Mark
> IV
> > > data was off one day on 2543109.
> >
> >
>
>