Date   

Re: help with AP900 guiding via ASIAir Pro

Roland Christen
 


Therefore the guiding graph shows DEC and RA just running away off the guide chart.
My first thought is that the guide directions that the mount is receiving are opposite to what is needed. The calibration is backwards. In other words, when the mount is slowly drifting North, it should receive a South move command. Instead it is receiving a North move command, which causes the drift to increase rather than decrease. I'm unfamiliar with ASIAir, but in any other guider program you can reverse the move commands if they are going in the wrong direction.

Rolando


-----Original Message-----
To: main@ap-gto.groups.io
Sent: Fri, Jun 12, 2020 9:35 am
Subject: [ap-gto] help with AP900 guiding via ASIAir Pro

Hi,
I recently purchased a used AP900 (Goto2 panel, with upgraded Goto4 handset chip) and have it up and running and  linked to an ASIAir Pro.   Everything is functioning well (Polar Align, Plate solving, slewing, gotos are accurate..) EXCEPT for guiding..
I can't seem to get the mount to respond to the guide commands...you can see the pulses being sent to the mount but no guide corrections are being seen and the DEC and RA run away quickly.  Actually it seems that turning on the guiding routine from the ASIAir turns off the AP900 tracking altogether and I have to reset the tracking from the AP900 handset after stopping the ASIAir guiding function.  Therefore the guiding graph shows DEC and RA just running away off the guide chart.
Very strange..
I have the ASIAir connected to the COMM port on the AP900 via a USB - RS232 cable.  Just a dumb cable; doesn't have the active USB-RS232 module in it...does that matter?
The hand controller is set to "EXT" computer control.  Not sure if there are any other AP900 config settings that I should be employing...
 
Any thoughts or hints?
 
thanks...


Re: Going Unguided With a Long FL Scope?

Mike Dodd
 

On 6/12/2020 12:18 AM, Tony Benjamin wrote:
* a guidescope (flexure issue)
I recommend that you seriously consider a separate guide scope, and do everything you can to minimize flexure.

I use a 300mm f/5 guide scope with ST-402 camera on a dovetail plate adjacent to my 30mm f/7 OTA. Initially I experienced some flexure, but got it under control. This link: <http://astronomy.mdodd.com/flexure.html#FlexureTable> describes what I did.

And this image: <http://astronomy.mdodd.com/flexure.html#GoodNews> is a 30-minute guided image that exhibits no flexure. I'm very pleased that my efforts paid off.

* a new camera with minimal backfocus (the ML16200 I'm using eats up
21mm - maybe the ASI6200??)
Will your C11 fully illuminate the full-frame sensor in the ASI6200? I definitely would confirm that before investing in a new camera.

--
Mike

Mike Dodd
Louisa County, Virginia USA
http://astronomy.mdodd.com


Re: Mach1 Grease kit were? is it hiding on the site?

Roland Christen
 

The gearbox is easy to grease. Just remove the cover and the pinion gears are exposed. You can clean them as often as you wish. The worm teeth are harder to get to.

Rolando



-----Original Message-----
From: Keith <keitholsen@...>
To: main@ap-gto.groups.io
Sent: Fri, Jun 12, 2020 11:10 am
Subject: Re: [ap-gto] Mach1 Grease kit were? is it hiding on the site?

Thanks Roland this is great. 

Does the grease in the gear box need to be changed as often(or if at all) as the worm and worm wheel grease?

Keith


help with AP900 guiding via ASIAir Pro

sgbonnell@...
 

Hi,
I recently purchased a used AP900 (Goto2 panel, with upgraded Goto4 handset chip) and have it up and running and  linked to an ASIAir Pro.   Everything is functioning well (Polar Align, Plate solving, slewing, gotos are accurate..) EXCEPT for guiding..

I can't seem to get the mount to respond to the guide commands...you can see the pulses being sent to the mount but no guide corrections are being seen and the DEC and RA run away quickly.  Actually it seems that turning on the guiding routine from the ASIAir turns off the AP900 tracking altogether and I have to reset the tracking from the AP900 handset after stopping the ASIAir guiding function.  Therefore the guiding graph shows DEC and RA just running away off the guide chart.

Very strange..

I have the ASIAir connected to the COMM port on the AP900 via a USB - RS232 cable.  Just a dumb cable; doesn't have the active USB-RS232 module in it...does that matter?
The hand controller is set to "EXT" computer control.  Not sure if there are any other AP900 config settings that I should be employing...

 

Any thoughts or hints?

 

thanks...


Re: Mach1 Grease kit were? is it hiding on the site?

Keith
 

Thanks Roland this is great. 

Does the grease in the gear box need to be changed as often(or if at all) as the worm and worm wheel grease?

Keith


Re: APPM plate solve failure and then APCC stopping working

jypeng@...
 

Opps, Sorry, I got the wrong image at the last message. This one should be the right one. See the attached image.
Jian Yuan Peng


Re: APPM plate solve failure and then APCC stopping working

jypeng@...
 

Hi Ray,
Please see the attached image.
Thanks,
Jian Yuan Peng


Re: APPM plate solve failure and then APCC stopping working

Ray Gralak
 

Jian,

Can you please send the screen shot I asked for?

-Ray Gralak
Author of APCC (Astro-Physics Command Center): https://www.astro-physics.com/apcc-pro
Author of PEMPro V3: https://www.ccdware.com
Author of Astro-Physics V2 ASCOM Driver: https://www.siriusimaging.com/apdriver

-----Original Message-----
From: main@ap-gto.groups.io [mailto:main@ap-gto.groups.io] On Behalf Of Ray Gralak
Sent: Thursday, June 11, 2020 11:11 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] APPM plate solve failure and then APCC stopping working

It's going to have to be another evening... I've been up since 5am and need to get up again tomorrow early.

Post a screen shot of the model window you just opened to reload the PNT file (the one with the scatter
chart). I'll look for it in the morning.

-Ray Gralak
Author of APCC (Astro-Physics Command Center): https://www.astro-physics.com/apcc-pro
Author of PEMPro V3: https://www.ccdware.com
Author of Astro-Physics V2 ASCOM Driver: https://www.siriusimaging.com/apdriver


-----Original Message-----
From: main@ap-gto.groups.io [mailto:main@ap-gto.groups.io] On Behalf Of jypeng@gmail.com
Sent: Thursday, June 11, 2020 11:03 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] APPM plate solve failure and then APCC stopping working

Hi Ray,
I reloaded the pnt file and still saw those big numbers. Please login the teamview to see this issue.
id : 1 925 328 252 password : 373dau
Thanks,
Jian Yuan Peng


Re: APPM plate solve failure and then APCC stopping working

Ray Gralak
 

It's going to have to be another evening... I've been up since 5am and need to get up again tomorrow early.

Post a screen shot of the model window you just opened to reload the PNT file (the one with the scatter chart). I'll look for it in the morning.

-Ray Gralak
Author of APCC (Astro-Physics Command Center): https://www.astro-physics.com/apcc-pro
Author of PEMPro V3: https://www.ccdware.com
Author of Astro-Physics V2 ASCOM Driver: https://www.siriusimaging.com/apdriver

-----Original Message-----
From: main@ap-gto.groups.io [mailto:main@ap-gto.groups.io] On Behalf Of jypeng@gmail.com
Sent: Thursday, June 11, 2020 11:03 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] APPM plate solve failure and then APCC stopping working

Hi Ray,
I reloaded the pnt file and still saw those big numbers. Please login the teamview to see this issue.
id : 1 925 328 252 password : 373dau
Thanks,
Jian Yuan Peng


Re: APPM plate solve failure and then APCC stopping working

jypeng@...
 

Hi Ray,
I reloaded the pnt file and still saw those big numbers. Please login the teamview to see this issue.
id :  1 925 328 252    password : 373dau
Thanks,
Jian Yuan Peng


Re: APPM plate solve failure and then APCC stopping working

Ray Gralak
 

Jian,

Click the "Model" button on the Pointing model tab. In the pointing model window that opens you can load a pointing model from the File menu.

-Ray Gralak
Author of APCC (Astro-Physics Command Center): https://www.astro-physics.com/apcc-pro
Author of PEMPro V3: https://www.ccdware.com
Author of Astro-Physics V2 ASCOM Driver: https://www.siriusimaging.com/apdriver

-----Original Message-----
From: main@ap-gto.groups.io [mailto:main@ap-gto.groups.io] On Behalf Of jypeng@gmail.com
Sent: Thursday, June 11, 2020 10:41 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] APPM plate solve failure and then APCC stopping working

Hi Ray,
I saw it. Can you show me how to load the PNT file to APCC pro model?
I checked the manual, and couldn't find how to?

Thanks,
Jian Yuan Peng


Re: APPM plate solve failure and then APCC stopping working

jypeng@...
 

Hi Ray,
I saw it. Can you show me how to load the PNT file to APCC pro model?
I checked the manual, and couldn't find how to?

Thanks,
Jian Yuan Peng


Re: Going Unguided With a Long FL Scope?

 

>>> .can I expect to go 10 min or longer unguided with AE's and a good pointing model??


i thought AP mount + AE + unguided + good pointing model = APCC



On Thu, Jun 11, 2020 at 10:11 PM Steven Steven <steven447@...> wrote:
Hey Tony,

If you want to go unguided, try ATrack, get in touch with Craig Young on this forum for details. It works a treat! Doesn't use a guidescope or guider, easy as pie and VERY accurate!

Steve


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Tony Benjamin <tonybenjamin@...>
Sent: Friday, 12 June 2020 12:18 AM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: [ap-gto] Going Unguided With a Long FL Scope?
 
Hi,

I've been putting together my imaging train for my C11 and have hit a snag. The QHYOAG will be hitting the back of the LiteCrawler using the backfocus of the 146mm. I can't see anyway around this except for:

  • a guidescope (flexure issue;
  • a new camera with minimal backfocus (the ML16200 I'm using eats up 21mm - maybe the ASI6200??); or
  • go unguided.
So far, going unguided seems to be the most reasonable solution. Question is...at 2800mm and with AE's...can I expect to go 10 min or longer unguided with AE's and a good pointing model??



--
Brian 



Brian Valente


Re: Going Unguided With a Long FL Scope?

Steven
 

HI Tony,

Get Craig on:

craig.young.m8@...

and send me a private email and I'll send you the User Guide, or Craig would likely gladly send it. A very helpful guy.

KR

Steve


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Tony Benjamin <tonybenjamin@...>
Sent: Friday, 12 June 2020 1:19 AM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: Re: [ap-gto] Going Unguided With a Long FL Scope?
 

Hi,

 

Can’t find anything online about it. Do you have a link?

 

Tony

 

From: main@ap-gto.groups.io [mailto:main@ap-gto.groups.io] On Behalf Of Steven Steven
Sent: June 11, 2020 10:11 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Going Unguided With a Long FL Scope?

 

Hey Tony,

 

If you want to go unguided, try ATrack, get in touch with Craig Young on this forum for details. It works a treat! Doesn't use a guidescope or guider, easy as pie and VERY accurate!

 

Steve

 


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Tony Benjamin <tonybenjamin@...>
Sent: Friday, 12 June 2020 12:18 AM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: [ap-gto] Going Unguided With a Long FL Scope?

 

Hi,

I've been putting together my imaging train for my C11 and have hit a snag. The QHYOAG will be hitting the back of the LiteCrawler using the backfocus of the 146mm. I can't see anyway around this except for:

  • a guidescope (flexure issue;
  • a new camera with minimal backfocus (the ML16200 I'm using eats up 21mm - maybe the ASI6200??); or
  • go unguided.

So far, going unguided seems to be the most reasonable solution. Question is...at 2800mm and with AE's...can I expect to go 10 min or longer unguided with AE's and a good pointing model??


Re: Going Unguided With a Long FL Scope?

Roland Christen
 


can I expect to go 10 min or longer unguided with AE's and a good pointing model??
As long as your mirror doesn't flop, I believe 10 minutes will work ok. If you have any random flexure in the optical train, it may not work.

Rolando


-----Original Message-----
From: Tony Benjamin <tonybenjamin@...>
To: main@ap-gto.groups.io
Sent: Thu, Jun 11, 2020 11:18 pm
Subject: [ap-gto] Going Unguided With a Long FL Scope?

Hi,

I've been putting together my imaging train for my C11 and have hit a snag. The QHYOAG will be hitting the back of the LiteCrawler using the backfocus of the 146mm. I can't see anyway around this except for:

  • a guidescope (flexure issue;
  • a new camera with minimal backfocus (the ML16200 I'm using eats up 21mm - maybe the ASI6200??); or
  • go unguided.
So far, going unguided seems to be the most reasonable solution. Question is...at 2800mm and with AE's...can I expect to go 10 min or longer unguided with AE's and a good pointing model??


Re: Going Unguided With a Long FL Scope?

Tony Benjamin
 

Hi,

 

Can’t find anything online about it. Do you have a link?

 

Tony

 

From: main@ap-gto.groups.io [mailto:main@ap-gto.groups.io] On Behalf Of Steven Steven
Sent: June 11, 2020 10:11 PM
To: main@ap-gto.groups.io
Subject: Re: [ap-gto] Going Unguided With a Long FL Scope?

 

Hey Tony,

 

If you want to go unguided, try ATrack, get in touch with Craig Young on this forum for details. It works a treat! Doesn't use a guidescope or guider, easy as pie and VERY accurate!

 

Steve

 


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Tony Benjamin <tonybenjamin@...>
Sent: Friday, 12 June 2020 12:18 AM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: [ap-gto] Going Unguided With a Long FL Scope?

 

Hi,

I've been putting together my imaging train for my C11 and have hit a snag. The QHYOAG will be hitting the back of the LiteCrawler using the backfocus of the 146mm. I can't see anyway around this except for:

  • a guidescope (flexure issue;
  • a new camera with minimal backfocus (the ML16200 I'm using eats up 21mm - maybe the ASI6200??); or
  • go unguided.

So far, going unguided seems to be the most reasonable solution. Question is...at 2800mm and with AE's...can I expect to go 10 min or longer unguided with AE's and a good pointing model??


Re: Going Unguided With a Long FL Scope?

Steven
 

Hey Tony,

If you want to go unguided, try ATrack, get in touch with Craig Young on this forum for details. It works a treat! Doesn't use a guidescope or guider, easy as pie and VERY accurate!

Steve


From: main@ap-gto.groups.io <main@ap-gto.groups.io> on behalf of Tony Benjamin <tonybenjamin@...>
Sent: Friday, 12 June 2020 12:18 AM
To: main@ap-gto.groups.io <main@ap-gto.groups.io>
Subject: [ap-gto] Going Unguided With a Long FL Scope?
 
Hi,

I've been putting together my imaging train for my C11 and have hit a snag. The QHYOAG will be hitting the back of the LiteCrawler using the backfocus of the 146mm. I can't see anyway around this except for:

  • a guidescope (flexure issue;
  • a new camera with minimal backfocus (the ML16200 I'm using eats up 21mm - maybe the ASI6200??); or
  • go unguided.
So far, going unguided seems to be the most reasonable solution. Question is...at 2800mm and with AE's...can I expect to go 10 min or longer unguided with AE's and a good pointing model??


Re: APPM plate solve failure and then APCC stopping working

Ray Gralak
 

Jian,

 

There are huge numbers in the boxes on your screen shot. Your PNT file looks bad.

 

As I said, attach the PNT file in case it is different than what's in your zip file. When I load your PNT file from the zip you provided I don't see those crazy values. Here's what I see with the same file.

 

 

-Ray Gralak

Author of APCC (Astro-Physics Command Center): https://www.astro-physics.com/apcc-pro

Author of PEMPro V3:  https://www.ccdware.com

Author of Astro-Physics V2 ASCOM Driver: https://www.siriusimaging.com/apdriver

 

 

> -----Original Message-----

> From: main@ap-gto.groups.io [mailto:main@ap-gto.groups.io] On Behalf Of jypeng@...

> Sent: Thursday, June 11, 2020 9:49 PM

> To: main@ap-gto.groups.io

> Subject: Re: [ap-gto] APPM plate solve failure and then APCC stopping working

>

> Hi Ray,

> It is very easy to recreate the lockup problem.

> 1. Start APCC pro, connect to Mount, connect to ASCOM

> 2. Use AP V2 driver to slew the telescope.

> 3. I can see the APCC pro locked up after a minute. Mount slew back to Park 3.

> See the attached image after I tried to slew to NE.

> I can setup teamview for you to look at my setup. It is cloudy now.

> Thanks,

> Jian Yuan Peng

>


Re: APPM plate solve failure and then APCC stopping working

jypeng@...
 

Hi Ray,
It is very easy to recreate the lockup problem.
1. Start APCC pro, connect to Mount, connect to ASCOM
2. Use AP V2 driver to slew the telescope.
3. I can see the APCC pro locked up after a minute. Mount slew back to Park 3.
See the attached image after I tried to slew to NE.
I can setup teamview for you to look at my setup. It is cloudy now. 
Thanks,
Jian Yuan Peng


Going Unguided With a Long FL Scope?

Tony Benjamin
 

Hi,

I've been putting together my imaging train for my C11 and have hit a snag. The QHYOAG will be hitting the back of the LiteCrawler using the backfocus of the 146mm. I can't see anyway around this except for:

  • a guidescope (flexure issue;
  • a new camera with minimal backfocus (the ML16200 I'm using eats up 21mm - maybe the ASI6200??); or
  • go unguided.
So far, going unguided seems to be the most reasonable solution. Question is...at 2800mm and with AE's...can I expect to go 10 min or longer unguided with AE's and a good pointing model??

5621 - 5640 of 76629