IIRC, you can use DSC's like the NGC-Max with the 900 GTO, but you have to
buy AP's encoders for both axes, since the goto uses the motors, not
encoders on the shaft, for position info. The motor info isn't accessible

the DSC's.

Regards,
Paul Gustafson

-----Original Message-----
From: Rich N. [mailto:rnapo@znet.com]
Sent: Thursday, July 22, 1999 12:40 AM
To: ap-gto@egroups.com
Subject: [ap-gto] Can DSCs be attached to new 900 mounts?


Yes, I have a 900 GOTO on order. However I don't like
the idea of a telescope slewing to a target when I can
move the scope myself. I know this can't be done with
the GOTO or it will lose its place in the sky.

Can DSCs like the JMI DSCs be installed on the GOTO
versions of the 900 mount?

Unless I am out by myself I can't see ever using the mount
in GOTO mode. I prefer star hopping. But it may be nice to
use a computer find some objects, but not via GOTO. I'm getting
the GOTO because if for some reason I find a use for it later it
is cheaper
to get it installed prior to taking ownership of the mount. Yes,
I did have a choice since I ordered it before you could only
get the 900 with GOTO.

Yes, I could call AP and get my question answered but this list
seemed a little slow lately. ;-)

Thanks,
Rich


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I just receive my new mount 5 days ago (ap900 gto).I make some try this

and i have some problems with precision pointing.What kind of precision

we expect with that sort of mount.
I have a celestron 8" and the scope and the mount are connect with a

who seems not very good for "orthogonalite".Perhaps the bad precision

here.
Bye
Vincent
France

Dear Vincent,

From where did you purchase your mount?

I am at the beginning of the runway to order a mount, but I am in
doubt whether I should order it from AP in US or from Baader
Planetarium in Germany.

I don't know if there is added EU toll when the goods goes from US
to Germany, so that the German price is higher, and what (low if
any) toll I need to pay from Germany to Denmark.
(Baader cannot tell me a German price right now because the
mounts are out of stock).

How much toll and tax did you need to pay?

From US to Denmark I have to pay 31% toll and tax.

Maybe it is better to go to US and pick it up myself?

What is your or other European's experience?

Thank you in advance,

Best regards

Niels Foldager
Copenhagen
Denmark



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Hello
I bought my new mount ap900 gto in a french seller (Optique et
vision,Antibes-Juan les pins in south of france ovision@aol.com).
There is an official seller in france (http://www.medas.fr) and i think

astrophysics didn't want to sell mounts or scope from them to us without
using official seller.
In france,the price is higher than in USA :-(( but i was afraid to

directly in USA (in fact,i don't know if it is possible from france

official company Medas like Baader in german)
Other precision,i wait my new AP 900gto more than 9 months between

and receiving the mount (very very long delay).

Bye
Vincent


---- Message d'origine -----
De : N. Foldager <nf@dadlnet.dk>
: <ap-gto@egroups.com>
Envoy : dimanche 25 juillet 1999 14:19
Objet : [ap-gto] From where? Was: precision of ap900 gto

I just receive my new mount 5 days ago (ap900 gto).I make some try

week

and i have some problems with precision pointing.What kind of

can

we expect with that sort of mount.
I have a celestron 8" and the scope and the mount are connect with a

system

who seems not very good for "orthogonalite".Perhaps the bad precision

coming

here.
Bye
Vincent
France

Dear Vincent,

From where did you purchase your mount?

I am at the beginning of the runway to order a mount, but I am in
doubt whether I should order it from AP in US or from Baader
Planetarium in Germany.

I don't know if there is added EU toll when the goods goes from US
to Germany, so that the German price is higher, and what (low if
any) toll I need to pay from Germany to Denmark.
(Baader cannot tell me a German price right now because the
mounts are out of stock).

How much toll and tax did you need to pay?

From US to Denmark I have to pay 31% toll and tax.

Maybe it is better to go to US and pick it up myself?

What is your or other European's experience?

Thank you in advance,

Best regards

Niels Foldager
Copenhagen
Denmark



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Charles Sinsofsky wrote:

I should point out that the setup would include a god polar alignment

the hand controller and three or four stars from different points in the
sky, a good deal of ra and dec values away from polaris.

Charles,

Do you repeat the N-Polar alignment procedure separately for different

Bob Kuberek



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----- Original Message -----

From: sjruss55@...

To: ap-gto@...

Sent: Thursday, July 29, 1999 11:01 PM

Subject: [ap-gto] Polar Alignment with V2.4

Hello Charles, I have V2.3 on my 600gto which I picked up 1/19/99. What was updated in V2.4 to allow your method of polar alignment that V2.3 does not have? The newest version of the servo box chip which will allow us to download the latest keypad updates, when will this chip be ready? If it's going to be a while, then I was thinking about getting V2.4 with the 5/13/99 chip installed since I have version 5 of the Sky. Thanks, Stephen Russell

---

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-----Original Message-----
From: Charles Sinsofsky [mailto:strfire@ibm.net]
Sent: Wednesday, July 28, 1999 10:13 AM
To: ap-gto@egroups.com
Subject: [ap-gto] Re: From where? Was: precision of ap900 gto


THe precision of the A/P 900 mount is close to 1 arc-minute if setup
correctly. Perhaps even greater. I have done entire nights CCD
imaging on my
camera and I can tell you 'because I wrote the software for them
mount, and
the camera, and the control code' that the objects are being
placed exactly
in the same spot of the chip over and over again accross the entire nights
sky.

I am sure Roland can confirm this also ie: get exact numbers but
my 1200 and
my 900 both can perform this 'miracle' over and over again with
little setup
time.

I should point out that the setup would include a god polar
alignment using
the hand controller and three or four stars from different points in the
sky, a good deal of ra and dec values away from polaris.

I hope this answers the questions...

- Charles Sinsofsky


p.s. all Dsky Voice users see upgrade at the web site...thnx
www.digitalskyvoice.com

----- Original Message -----
From: visonneau-vincent <visonneau-vin@infonie.fr>
To: <ap-gto@egroups.com>
Sent: Sunday, July 25, 1999 12:31 PM
Subject: [ap-gto] Re: From where? Was: precision of ap900 gto

Hello
I bought my new mount ap900 gto in a french seller (Optique et
vision,Antibes-Juan les pins in south of france ovision@aol.com).
There is an official seller in france (http://www.medas.fr) and i think

that

astrophysics didn't want to sell mounts or scope from them to us without
using official seller.
In france,the price is higher than in USA :-(( but i was afraid to

purchase

directly in USA (in fact,i don't know if it is possible from france

because

official company Medas like Baader in german)
Other precision,i wait my new AP 900gto more than 9 months between

ordering

and receiving the mount (very very long delay).

Bye
Vincent


---- Message d'origine -----
De : N. Foldager <nf@dadlnet.dk>
: <ap-gto@egroups.com>
Envoy : dimanche 25 juillet 1999 14:19
Objet : [ap-gto] From where? Was: precision of ap900 gto

I just receive my new mount 5 days ago (ap900 gto).I make some try

this

week

and i have some problems with precision pointing.What kind of

precision

can

we expect with that sort of mount.
I have a celestron 8" and the scope and the mount are

connect with a

system

who seems not very good for "orthogonalite".Perhaps the bad

precision

coming

here.
Bye
Vincent
France

Dear Vincent,

From where did you purchase your mount?

I am at the beginning of the runway to order a mount, but I am in
doubt whether I should order it from AP in US or from Baader
Planetarium in Germany.

I don't know if there is added EU toll when the goods goes from US
to Germany, so that the German price is higher, and what (low if
any) toll I need to pay from Germany to Denmark.
(Baader cannot tell me a German price right now because the
mounts are out of stock).

How much toll and tax did you need to pay?

From US to Denmark I have to pay 31% toll and tax.

Maybe it is better to go to US and pick it up myself?

What is your or other European's experience?

Thank you in advance,

Best regards

Niels Foldager
Copenhagen
Denmark

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Yes, I use the polar alignment with the lastest hand controller code, you
must be at least 2.4 or later to use this method.

What you do is initally point the telescope roughly at the pole star. Then
choose a given star say 'deneb to start' and then manual move the scope to
deneb. then once on deneb you use the telescope hand controller to select
the star deneb in polar alignment mode and then auto slew it ot polaris
after you select the star deneb. the scope will slew to polaris, at this
time you let go of the hand controller and use the alt/az only to center
polaris as well as you can. then you ask for re-calibrate and you choose a
star menu comes up, this time choose deneb again the scope will now auto
slew to deneb by itself, when you reach deneb, using the 'hand controller
key n,e,w,s buttons center deneb in a medium power eyepiece, then press
goto, the telescope will auto calibrate the new position of deneb and then
autoslew back to polaris, then polaris will now be off center once again you
use the alt az on your physical mount and then press re-calibrate and then
ask for deneb again, I usually repeat the same star 5 times, then I choose
another star a great deal of distance away from deneb and go through that
one 5 times and then I choose another star and do it 5 times and then I go
back and do each star i used one time to ensure everything is pefect ie: the
scope auto slews to each star and back to polaris always dead center and
then I exit the polar alignment routine.

with this method i can expose 30 minutes unguided with my camera, and i
have done several all night ling 10 mins exposures with the ccd camera, go
to my web site www.digitalskyvoice.com and look at the gallery photos all
unguided shots.

I hope this clears it up...the polar alignment routine and the mount will
produce highly accurate polar alignment if you take the time to do the
procedure I outlined here.

- charles sinsofsky

----- Original Message -----
From: RCK <rkuberek@ix.netcom.com>
To: <ap-gto@egroups.com>
Sent: Wednesday, July 28, 1999 10:02 PM
Subject: [ap-gto] Re: From where? Was: precision of ap900 gto

Charles Sinsofsky wrote:

I should point out that the setup would include a god polar alignment

using

the hand controller and three or four stars from different points in the
sky, a good deal of ra and dec values away from polaris.

Charles,

Do you repeat the N-Polar alignment procedure separately for different

stars?

Bob Kuberek



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Hi Charles;
Howard Lazarus here. On my keypad which I got back in Oct 1998 I maually

move the scope back to the selected star and then press goto to go back to
Polaris. Now unless I read you incorrectly you are pressing the recal

it goes to the original selected star by automatic slewing???. Under my

keypad I go back to the selected star manually.

1. When does it pay to send in the keypad for the most important updates.

2. Do you have any idea how long it would take to get the keypad back.

3.Do you have any info on the computer chip for the main computer

coming and what we can expect it's usage to us give us.

Lastly, you know that I have had many e mail contacts with you and I

your efforts as well as you willingness to aid us poor amateurs....but...I

no problems with the goto precision and then only with three at most

Simply by using a southern star and being a wise guy and having the scope

polar aligned PIER...the alignment process I have which is obviously the

newest works just fine and even better with your program.
Wishing much success
Howard

Charles Sinsofsky wrote:

Yes, I use the polar alignment with the lastest hand controller code,

must be at least 2.4 or later to use this method.

What you do is initally point the telescope roughly at the pole star.

choose a given star say 'deneb to start' and then manual move the scope

deneb. then once on deneb you use the telescope hand controller to

the star deneb in polar alignment mode and then auto slew it ot polaris
after you select the star deneb. the scope will slew to polaris, at this
time you let go of the hand controller and use the alt/az only to center
polaris as well as you can. then you ask for re-calibrate and you choose

star menu comes up, this time choose deneb again the scope will now auto
slew to deneb by itself, when you reach deneb, using the 'hand

key n,e,w,s buttons center deneb in a medium power eyepiece, then press
goto, the telescope will auto calibrate the new position of deneb and

autoslew back to polaris, then polaris will now be off center once again

use the alt az on your physical mount and then press re-calibrate and

ask for deneb again, I usually repeat the same star 5 times, then I

another star a great deal of distance away from deneb and go through

one 5 times and then I choose another star and do it 5 times and then I

back and do each star i used one time to ensure everything is pefect ie:

scope auto slews to each star and back to polaris always dead center and
then I exit the polar alignment routine.

with this method i can expose 30 minutes unguided with my camera, and i
have done several all night ling 10 mins exposures with the ccd camera,

to my web site www.digitalskyvoice.com and look at the gallery photos

unguided shots.

I hope this clears it up...the polar alignment routine and the mount

produce highly accurate polar alignment if you take the time to do the
procedure I outlined here.

- charles sinsofsky

----- Original Message -----
From: RCK <rkuberek@ix.netcom.com>
To: <ap-gto@egroups.com>
Sent: Wednesday, July 28, 1999 10:02 PM
Subject: [ap-gto] Re: From where? Was: precision of ap900 gto

Charles Sinsofsky wrote:

I should point out that the setup would include a god polar

using

the hand controller and three or four stars from different points in

sky, a good deal of ra and dec values away from polaris.

Charles,

Do you repeat the N-Polar alignment procedure separately for different

stars?

Bob Kuberek

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Hello All,
This most likly applies to all goto people, so the latest hand

code is 2.5, but i am finnishing 2.6 which will be a very bug upgrade new
features etc.

ok first, how long to upgrade a hand controller, i suggest everyone wait
just little longer the new chip code is finnished and i am now in trhe
prcoess of setting up the internet based upgrading of the hand contorller
the chips will most likly be available from a/p in late september and soon
after the web based update system will be in place and it will be very

to use, I will design it that way.

So I hope this answers some questions concerning the hand controller.

Special Note: A major upgrade to dsky voice 2.02.09 will be placed on the
net next week 'early' and it contains a major upgrade as well as changes

the tour export and import facilites all will be on the
net...www.digitalskyvoice.com ....

latest news on 3,0 ---> well 2.02.09 will be out first...3.0 (FREE
upgrade, will be in september most likly...stay tuneded.

-= charles sinsofsky

----- Original Message -----
From: howard lazarus <lazhow@prodigy.net>
To: <ap-gto@egroups.com>; <strfire@ibm.net>
Sent: Saturday, July 31, 1999 9:56 AM
Subject: [ap-gto] Re: From where? Was: precision of ap900 gto

Hi Charles;
Howard Lazarus here. On my keypad which I got back in Oct 1998 I maually

have to

move the scope back to the selected star and then press goto to go back

Polaris. Now unless I read you incorrectly you are pressing the recal

button and

it goes to the original selected star by automatic slewing???. Under my

system

keypad I go back to the selected star manually.

1. When does it pay to send in the keypad for the most important

2. Do you have any idea how long it would take to get the keypad back.

3.Do you have any info on the computer chip for the main computer

box..when

coming and what we can expect it's usage to us give us.

Lastly, you know that I have had many e mail contacts with you and I

applaud

your efforts as well as you willingness to aid us poor

have

no problems with the goto precision and then only with three at most

attempts.

Simply by using a southern star and being a wise guy and having the

on a

polar aligned PIER...the alignment process I have which is obviously the

not the

newest works just fine and even better with your program.
Wishing much success
Howard

Charles Sinsofsky wrote:

Yes, I use the polar alignment with the lastest hand controller code,

you

must be at least 2.4 or later to use this method.

What you do is initally point the telescope roughly at the pole star.

Then

choose a given star say 'deneb to start' and then manual move the

to

deneb. then once on deneb you use the telescope hand controller to

select

the star deneb in polar alignment mode and then auto slew it ot

after you select the star deneb. the scope will slew to polaris, at

time you let go of the hand controller and use the alt/az only to

polaris as well as you can. then you ask for re-calibrate and you

a

star menu comes up, this time choose deneb again the scope will now

slew to deneb by itself, when you reach deneb, using the 'hand

controller

key n,e,w,s buttons center deneb in a medium power eyepiece, then

goto, the telescope will auto calibrate the new position of deneb and

then

autoslew back to polaris, then polaris will now be off center once

you

use the alt az on your physical mount and then press re-calibrate and

then

ask for deneb again, I usually repeat the same star 5 times, then I

choose

another star a great deal of distance away from deneb and go through

that

one 5 times and then I choose another star and do it 5 times and then

go

back and do each star i used one time to ensure everything is pefect

the

scope auto slews to each star and back to polaris always dead center

then I exit the polar alignment routine.

with this method i can expose 30 minutes unguided with my camera, and

have done several all night ling 10 mins exposures with the ccd

go

to my web site www.digitalskyvoice.com and look at the gallery photos

all

unguided shots.

I hope this clears it up...the polar alignment routine and the mount

will

produce highly accurate polar alignment if you take the time to do the
procedure I outlined here.

- charles sinsofsky

----- Original Message -----
From: RCK <rkuberek@ix.netcom.com>
To: <ap-gto@egroups.com>
Sent: Wednesday, July 28, 1999 10:02 PM
Subject: [ap-gto] Re: From where? Was: precision of ap900 gto

Charles Sinsofsky wrote:

I should point out that the setup would include a god polar

alignment

using

the hand controller and three or four stars from different points

the

sky, a good deal of ra and dec values away from polaris.

Charles,

Do you repeat the N-Polar alignment procedure separately for

stars?

Bob Kuberek

------------------------------------------------------------------------

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Seeing quite good in smaller aperture. Used the C9.25" for these photos.
Jupiter is at 5:01am edt (9:01GMT) , sys 2 longitude 314