Re: Charon

cspratt2001 Nov 4, 2009

Went back to an older version. This works but sun up warning shows and program indicates poor star match.

Latest version announced by Bill just flashes up for a brief second then off. There is a warning message but too fast to read.

Chris. Spratt
Victoria, BC

--- In guide-user@yahoogroups.com, "P. Clay Sherrod" <drclay@...> wrote:
>
> Charon actually works very well with all of our XP machines and several in other locations
> that I am aware of.
> Is Charon opening up but cannot show a star screen or is it flashing and not opening at
> all?
>
> Dr. Clay
> _____
> Arkansas Sky Observatories
> MPC H45 - Petit Jean Mountain South
> MPC H41 - Petit Jean Mountain
> MPC H43 - Conway West
> http://www.arksky.org/
>
> ----- Original Message -----
> From: "cspratt2001" <cspratt@...>
> To: <guide-user@yahoogroups.com>
> Sent: Wednesday, November 04, 2009 10:52 AM
> Subject: [guide-user] Re: Charon
>
>
> > Using PST in Guide8. My Stations list is from 2005 although Guide is from October.
> >
> > Charon tries to load under XP but the black screen (DOS) flashes too quickly for me to
> > read the massage at the top left. Earlier version did load but sun is always up. I tried
> > under settings to input various MPC stations in my area but still get annoying "Sun is
> > up" message. Sun is always up at altitude of 12 degrees.
> >
> > For me, Charon needs a bit of work to make it more XP friendly.
> >
> > Chris. Spratt
> > Victoria, BC
> >
> > --- In guide-user@yahoogroups.com, "P. Clay Sherrod" <drclay@> wrote:
> >>
> >> Are you running Guide with local time GMT, Zulu or what time default?
> >>
> >> Dr. Clay
> >> _____
> >> Arkansas Sky Observatories
> >> MPC H45 - Petit Jean Mountain South
> >> MPC H41 - Petit Jean Mountain
> >> MPC H43 - Conway West
> >> http://www.arksky.org/
> >>
> >> ----- Original Message -----
> >> From: "cspratt2001" <cspratt@>
> >> To: <guide-user@yahoogroups.com>
> >> Sent: Wednesday, November 04, 2009 10:05 AM
> >> Subject: [guide-user] Re: Charon
> >>
> >>
> >> >
> >> > Downloaded the latest Charon program. This one, for me, doesn't load.
> >> > The earlier one even with MPC code in settings still has sun up.
> >> >
> >> > Chris. Spratt
> >> > Victoria, BC
> >> > --- In guide-user@yahoogroups.com, Bill J Gray <pluto@> wrote:
> >> >>
> >> >> Hi Chris,
> >> >>
> >> >> Hmmm... perhaps the best way to handle that problem
> >> >> is as follows.
> >> >>
> >> >> Start up Guide, and hit ':'. This will cause Guide
> >> >> to display a chart of the world with the nearest solar
> >> >> eclipse.
> >> >>
> >> >> Zoom in on the Canary Islands. Use Extras... Toggle
> >> >> User-Added Datasets. Select "MPC Stations"; turn it
> >> >> On, with labels showing.
> >> >>
> >> >> If you're lucky, your remote observatory will show
> >> >> up; right-click on the symbol shown for it, and you'll
> >> >> get the name and MPC three-character code for it.
> >> >>
> >> >> If not, right-click on the nearest observatory,
> >> >> and use its code for the nonce. That's probably a
> >> >> good way to start out; if you use that nearest code
> >> >> and still have problems, it'll be time to dig deeper
> >> >> into why those problems are happening.
> >> >>
> >> >> If you really want a code of your own, there are
> >> >> two routes. One is to submit data to MPC and they'll
> >> >> assign you a code. Or, you can (temporarily) make
> >> >> up your own three-character code. To do this, edit
> >> >> the file 'obscodes.htm' and look for the line
> >> >> corresponding to the nearest existing MPC station.
> >> >> It might look like this:
> >> >>
> >> >> J24 343.557190.881661+0.470499Observatorio Altamira
> >> >>
> >> >> This says that (J24) Observatorio Altamira is
> >> >> at East longitude 343.55719 (known to most of us as
> >> >> West longitude 16.44281), at parallax constants
> >> >> rho_cos_phi .881661, rho_sin_phi +.470499. Converting
> >> >> parallax constants to and from latitude and altitude
> >> >> above sea level is slightly unpleasant and probably
> >> >> not really justified for what we're doing here.
> >> >> Instead, just take the line for the nearest observatory
> >> >> and change (say) J24 to, say, ZZZ. ("Official" MPC
> >> >> codes don't start with Z; use ZZZ, and you can avoid
> >> >> collision with any "real" MPC code.) Change the
> >> >> observatory name as well, of course. Then add your
> >> >> newly-created line to 'stations.txt'.
> >> >>
> >> >> -- Bill
> >> >>
> >> >
> >> >
> >> >
> >> >
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