Hi Chris,
sorry for the late reply. I didn't realize the location/time settings in
the ASCOM driver need to match reality. I thought those only applied if
the scope can accept these to set location and time. My controller does
not accept these values so I didn't bother to update them. I will try
this again and see what happens.
Thanks,
Sander
Chris Rowland wrote:
>
> I wrote both CdCHorizon and the Celestron driver so I can't get out of
> this one :-)
>
> See below...
>
> Sander Pool wrote:
> > This isn't really related to CdC but to the contributed tool
> CdCHorizon.
> > I tried to use it last night with my Atlas EQ-G with new 3.01
> > controller. This controller emulates a Celestron Nexstar 8 as I recall.
> > In any event, I configured ASCOM the same as I configure it for CdC
> > which seems to work fine (although I have questions about that,
> > different email).
> >
> > After selecting the scope type, no scope is show in the small text box.
>
> Yes, that's OK. It would have been better if the scope type were to
> persist but having got it going I omitted the detailed coding that takes
> so long.
>
> > As I move the scope, no coordinates show up in the large text window. I
> > used a red overlay on my laptop, if red text was used I suppose I
> > couldn't see it but I doubt that. Surprisingly something gets
> written to
> > the horizon file but all the angle values are negative.
>
> The program reads the Alt and Az values from the driver and displays
> them as a cross in the large window. The line near the bottom is 0
> altitude and the horizontal scale is 0 to 360 degrees azimuth. When you
> press the [Add Horizon Point] button it writes them to the file. If you
> are getting negative values then that is what the driver is reporting.
> No numbers are displayed.
> >
> > When I ask the controller to tell me where it's pointing it returns a
> > 'reasonable' value. CdC can also track the scope just fine.
>
> That's using Ra and Dec values, not Alt and Az.
> >
> > Has anyone had better luck with this program? I have a very jagged
> > horizon so this would be a huge time saver. Any tips anyone can share?
>
> It was fine for me with an AltAz mounted NS11 and an equatorially
> mounted LX200 classic:-) I've had a report from someone else that it
> worked for them as well.
>
> Try it indoors using the scope simulator. This shows the Ra, Dec and
> Alt, Az values so you can see what is going on.
>
> Enable AltAz display in the telescope window for your scope, the Alt, Az
> values should be correct, however for an equatorial mounted scope I have
> to calculate these in the driver and this relies on the driver knowing
> the correct values of your latitude and longitude and time. If these are
> not set up correctly IN THE DRIVER SETUP then the Alt and Az reported
> will be wrong. I would guess that this is the cause of the problem.
>
> Hope this helps,
>
> Chris
>
>
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