P. Clay Sherrod Nov 4, 2009
----- 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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