[M]: RE:[M] RE: Help!
| Subject: | [M]: RE:[M] RE: Help! |
| From: | Email address hidden |
| Date: | Sun Jun 24 07:32:20 2001 |
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Hi Ralph,
Last weekend I used Polaris and Arcturus,
this never quite worked either, mind you it was closer. When I did the alignment between Polaris and Alkaid (as a result of Polaris/Arcturus not quite working out), the alignment was good. Slewing from star 19 (Polaris) to star 140 (Alkaid) went well as I expected it to.
The problem was starhopping using the goto from star 140 (alkaid) to star 147 (Arcturus).
I am sure that I have read in the archives a while back that some stars work better than others and some just dot seem to work at all, could it be that I have picked a duff star to start with possibly?
I am very careful to level the tripod and
use a level on top of the OTA to ensure its level and checking the setting circles all before start up. I use magnifying glass on the RA & DEC setting circles to ensure they are lined up.
I also use a GPS unit to get my precise location and time and if I have to alter the time I also re-enter the date so that the planetary data is updated.
Clear Skies,
Andy.
51.18N 000.01E
On Sun, 24 Jun 2001 09:49:55 -0400 "Ralph P. Pass III"
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Date: Sun, 24 Jun 2001 09:49:55 -0400
From: "Ralph P. Pass III"
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Subject: Re: [M]: [M] RE: Help!
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How about polar align with Polaris and Dubhe? or Polaris and Vega? Then=
do your test.
Ralph
andyheath@cwctv.net wrote:
> Hi Ralph, after doing the iterations between Polaris and Alkaid I would=
synch on Alkaid each time until Polar alignment was achieved. I would th=
en do the goto to Arcturus and be way off.
> I did try synching on Arcturus before doing the goto back but the scope=
would then miss Alkaid.
>
> The same scenario between Alkaid and Vega.
>
> Best Regards,
>
> Clear Skies,
>
> Andy.
>
> 51.18N 000.01E
>
> On Sat, 23 Jun 2001 22:46:18 -0400 "Ralph P. Pass III"
>
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>
> Subject: Re: [M]: [M] RE: Help!
> Date: Sat, 23 Jun 2001 22:46:18 -0400
> From: "Ralph P. Pass III"
> Reply-To: mapug@shore.net
> To: mapug@shore.net
> References: <04ae60237231761DTVMAIL12@smtp.cwctv.net>
>
> Some quick information:
>
> Do you sync on the first star and then slew?
>
> If you slew back to the first star (after missing badly at the second s=
tar) are you close?
>
> Ralph
>
> andyheath@cwctv.net wrote:
>
> > Hi Guys,
> >
> > I appear to have strange problem that I am having difficulty in fath=
oming out.
> >
> > The pointing accuracy on my 10" LX200 seems to be way off on some sta=
rs when I use the GoTo. Can anyone help me?
> >
> > I am Polar aligned, I have my location and time entered in correctly =
via a GPS and yet moving from Alkaid to Arcturus it is way out, by this I=
mean it is nowhere
> > near the outer ring even of my Telrad!! It is roughly the width of tw=
o of the bullseye Telrad rings away from centre?
> >
> > If I hit a GoTo back o Alkaid in centres it nicely.
> >
> > I did a GoTo from Alkaid to Vega, same thing happens, about two Telra=
d bullseyes away from centre and yet if I did a GoTo back to Alkaid again=
it would be centered.
> >
> > I have tried synching, but if I do that after going to Vega or Arctur=
us from Alkaid then the GoTo back to Alkaid is off.
> >
> > I am getting worried about this, can anyone help me, I would be very =
grateful.
> >
> > BTW, the tripod was levelled and double checked before use and I have=
counter weights on the East fork arm.
> >
> > Thanks very much in advance,
> >
> > Clear Skies,
> >
> > Andy.
> >
> > 51.18N 000.01E
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