Date   

Re: Mach 2 basic operation

eckhard.voelcker@...
 

I am using NINA and the Mach2. The mount is transparent - once set up it is not there. 

I have the pole master camera attached to the mount. After a decent polar alignment I switch to NINA. I use the NINA sky catalog to look for my target and use the NINA "slew and center". The slew will not be perfect (I have no model), but with plate solving it takes 2 or 3 slews to have the telescope point perfectly to the target. Then I do a NINA PA at the position I am at! I then slew to the traget again and switch back to APCC to start the Model Builder. I can see the current position of the telescope in the graphical interface when I build the model, so with just some clicks I have selected a couple of points on my targets course through the sky. It takes approximately 10 minutes to build a small model. Afterwards it is just imaging and letting the mount and APCC Pro do their thing. This small model is perfect for mobile use because it gives you excellent tracking in a short setup time. 

Here is a link to the online APCC manual that explains the model:  APCC Pro DEC Arc tracking.

With NINA you can even automate the model building process and control APCC through NINA: astro-physics tools for NINA. 

APCC supports horizons and as NINA uses the same file format, they share the horizon file. 

Clear skies,
Eckhard


Re: APCC Pro model details #APCC

Brent Boshart
 
Edited

To calculate your total polar alignment error in arcminutes.   PA error = SQR((Polar Axis Elevation/60)^2 + (Polar Axis/60)^2 )  where SQR is square root and ^2 means squared.


APCC Pro model details #APCC

eckhard.voelcker@...
 

 

Is there an explanation somewhere what these values mean and what are good or bad values? How can I f.e. calculate my current polar alignment error from these values? 

Thanks and regards,
Eckhard 


Re: Doubt about the modeling when changing cameras #Mach2GTO

Worsel
 


Re: CP3 power connector (12V)

David Kensiski
 

So how about the cable end? Got the part number for that? 


On Tue, May 24, 2022, 5:29 PM drgert1 via groups.io <drgert1=yahoo.com@groups.io> wrote:

Hi Mike,

Yes, that looks like the right part. Digikey calls it "Power Barrel Connector Jack 2.50mm ID (0.098"), 5.50mm OD (0.217") Panel Mount".
I looked at the CP3 today and it seems it will be a bit of a task to unmount the various parts to get to the solder connection for the connector.
Maybe this will wait until it breaks. Also a call for instructions to AP might be in order.

Thanks& Clear Skies,
Gert


Re: Doubt about the modeling when changing cameras #Mach2GTO

Dean Jacobsen
 

I think that if you can swap out the camera without changing anything else you should be OK.  Try it and let us know what happens.  The worst that could happen is that you would have to redo your model. 🙂
--
Dean Jacobsen
Astrobin Image Gallery - https://www.astrobin.com/users/deanjacobsen/


Re: CP3 power connector (12V)

drgert1
 

Hi Mike,

Yes, that looks like the right part. Digikey calls it "Power Barrel Connector Jack 2.50mm ID (0.098"), 5.50mm OD (0.217") Panel Mount".
I looked at the CP3 today and it seems it will be a bit of a task to unmount the various parts to get to the solder connection for the connector.
Maybe this will wait until it breaks. Also a call for instructions to AP might be in order.

Thanks& Clear Skies,
Gert


Doubt about the modeling when changing cameras #Mach2GTO

Marcelo Figueroa
 

I am getting a new camera, the ASI 533 mono and the modeling was done with an ASI 1600.
 
Is it necessary to redo the modeling with the new camera? Both cameras weigh about the same and my theory is that it shouldn't matter, because once the modeling is done the mount has no idea which camera is being used.
 
The mount is a Mach 2.

Thanks,


Re: Mach 2 basic operation

Jeffc
 

I will need to give PA in NINA a try.. I’m fairly new to NINA… I’ve been using SGPro for the past year and Maxim before that.  

(But yeah, with the polemaster, no need to disconnect the other cameras… I agree that would be ridiculously painfula.)

-jeff


On May 23, 2022, at 8:13 PM, midmoastro <teche70@...> wrote:

Jeff may be correct about Polemaster and Sharpcap and I dont want to detract from that, but what I found when using Sharpcap is I did not like to connect my camera to that app, then disconnect if I am going back to NINA for imaging. I found NINA/TPPA to be a replacement for SharpCap PA and now I dont have to switch my camera back and forth with different apps. TPPA has worked well for me so far and its very quick. If you are using NINA for imaging, I would at least give it a try first.


Re: Mach 2 basic operation

Andrew Burwell
 

I would likely use NINA for this. I have a Polemaster on one of my Rainbow Astro mounts that I could borrow, but I suppose the software versions of polar alignment are good enough for a dual tracking mount.


Re: Mach 2 basic operation

Andrew Burwell
 

I am mainly imaging and portable for now. But have started the process for a remote observatory which is supposed to start being built mid summer. I’ll have two piers, one for the Mach2 and one for the 10M. I’ll be running an EdgeHD 11 at 2800mm on the Mach2 until I decide to get PW12 to replace it. I assume, based on the specs, it should have no problems with that scope. 

I can’t really run a full model with the 10M right now due to my back yard field of view. But I can run a partial model, or and object specific model. And if APCC supports custom horizons that will make it easy for me. I need to delve into that manual to check out all the features.

-Andrew


Re: Mach 2 basic operation

midmoastro
 

Jeff may be correct about Polemaster and Sharpcap and I dont want to detract from that, but what I found when using Sharpcap is I did not like to connect my camera to that app, then disconnect if I am going back to NINA for imaging. I found NINA/TPPA to be a replacement for SharpCap PA and now I dont have to switch my camera back and forth with different apps. TPPA has worked well for me so far and its very quick. If you are using NINA for imaging, I would at least give it a try first.


Re: Mach 2 basic operation

Jeffc
 

If you are mainly imaging… and portable…. I suggest getting a polemaster for polar alignment, and use it with SharpCap.

The pole master + sharp cap does polar alignment in about 5 minutes with some simple tweaking the alt and az on the mount.
Alternatively a guide scope can be used with sharpcap… but on the mach2 I didn’t bother with the guidescope.   I’ve not compared this approach to the (iirc) NINA three star approach.

The other alternative for polar alignment is the RAPAS, which I use with other mounts when doing visual.
(I do some outreach work at the local observatory).

I do have a keypad, but never use it when imaging… I do use it for visual tho.

There’s a couple options to creating the sky model when “portable”:
- I’ve done a 52 point model which takes about 30 minutes to run.. and is appropriate for portable operation.
- NINA has a plugin (the author is on this list), which will do a “Dec Arc” model and (I think) is more precise, but only covers the portion of the sky you are imaging for a specific object (RA / Dec)

Anyhow.. the mach2 is great.  Initially I didn’t use APCC/APPM and stuck with my “old workflow”… but then when I spent the time to learn APCC/APPM and realized it is a big plus.   

One of my configurations is a 12” Meade ACF with a Lumicon GEG / Reducer for about 1500mm focal length, and a fairly heavy camera + focuser… I think I might be at about the weight limit cuz there isn’t much room for more counterweights.   This setup seems to work just fine.   

-Jeff




On May 23, 2022, at 4:44 PM, Andrew Burwell via groups.io <andrew_burwell@...> wrote:

This was me. I honestly didn't consider asking here as I don't have the mount yet. But it's very nice to know that the workflow is essentially the same. I'm a bit overwhelmed at the documentation available. And maybe the complexity I'm seeing is just the initial software setup, though I'm not sure as I don't have it yet. I'm still very much looking forward to getting my hands on one and trying it out.


Re: Mach 2 basic operation

AaronW
 

I also use Stellarium to command the mount when slewing to objects and it couldn't be easier.  Provided you are properly polar aligned, simply return the mount to its home position and slew to your object.  I image with SGP and use PHD2 as a supplement for guiding.  I have not yet built a model APCC.  My workflow is as follows:

1. Polar align
2. Calibrate the mount in PHD2 (couldn't be easier).
3. Run my imaging sequence within SGP.

The mach2 gets you so close to the framing I programmed into SGP on the first try that it rarely has to plate solve more than once.

If I could figure it out, anyone could.  I hear building a model is just as easy - I just haven't tried that yet.


On Mon, May 23, 2022 at 5:39 PM Andrew Burwell via groups.io <andrew_burwell=me.com@groups.io> wrote:
Thanks for all the comments. This mount sounds like it works exactly the same way as the 10M mount. 

I did not order the hand control, so I assume everything the hand control does can be run through APCC? Is there a virtual hand control  window available?

I usually use Nina and Stellarium, though I’ll sometimes do research for an object through sky safari. I also own Voyager but have not ever imaged with it.

Regards,
Andrew


Re: Mach 2 basic operation

M Hambrick
 

Hi Andrew

In addition to what everyone else has said I think you would do well to set your new mount up indoors to get familiar with it, and most importantly to do the balancing. The time that you spend doing this inside where you have good lighting, no bugs, and (depending on where you live) heating or air conditioning will be well spent. If you have a side-by side arrangement you should get a copy of Roland's instructions for side-by-side balancing.

When I first got my 1100 mount I only used the keypad. Now that I have started using APCC, I seldom if ever use the keypad, but I still keep it connected as a backup and for use as an emergency stop if I am making a complicated slew where there is a risk of snagging a cable or crashing into the pier.

Mike


Re: CP3 power connector (12V)

Yves Laroche
 

Forget about it. Just noticed that I inversed the plug and socket in my mind.  😏

Le 23 mai 2022 22 h 09, Yves Laroche <yves.laroche@...> a écrit :
You won't be able to plug it at all because the center pin is bigger in that case.

Regards,
Yves

Le 23 mai 2022 21 h 21, Woody Schlom <woody_is@...> a écrit :
Are you sure the center is 2.5mm?  I thought it was 2.1mm.  I'm pretty sure that's what mine is.  But I can't check now as I'm on the road.

You can stick a 2.1mm x 5.5mm plug into a 2.5mm x 5.5mm socket,  but the connection will be loose.

Woody 

On May 23, 2022 5:08:49 PM "Mike Dodd" <mike@...> wrote:

On 5/23/2022 10:48 AM, John Gaul wrote:
[Edited Message Follows]

EDIT: sorry, didn't read original post carefully enough. Looking for a 
female/socket for the CP3 side not the plug for power cable as below.

The link I sent 
<https://www.digikey.com/en/products/detail/kycon-inc/KLDPLX-0202-B/12620420> 
is for a 2.5mm panel jack, not the plug. I suggest measuring the one on 
your CP3 and search Digi-Key for the same size.

--- Mike






Re: CP3 power connector (12V)

Yves Laroche
 

You won't be able to plug it at all because the center pin is bigger in that case.

Regards,
Yves

Le 23 mai 2022 21 h 21, Woody Schlom <woody_is@...> a écrit :
Are you sure the center is 2.5mm?  I thought it was 2.1mm.  I'm pretty sure that's what mine is.  But I can't check now as I'm on the road.

You can stick a 2.1mm x 5.5mm plug into a 2.5mm x 5.5mm socket,  but the connection will be loose.

Woody 

On May 23, 2022 5:08:49 PM "Mike Dodd" <mike@...> wrote:

On 5/23/2022 10:48 AM, John Gaul wrote:
[Edited Message Follows]

EDIT: sorry, didn't read original post carefully enough. Looking for a 
female/socket for the CP3 side not the plug for power cable as below.

The link I sent 
<https://www.digikey.com/en/products/detail/kycon-inc/KLDPLX-0202-B/12620420> 
is for a 2.5mm panel jack, not the plug. I suggest measuring the one on 
your CP3 and search Digi-Key for the same size.

--- Mike





Re: CP3 power connector (12V)

Mike Dodd
 

On 5/23/2022 9:21 PM, Woody Schlom wrote:
Are you sure the center is 2.5mm?  I thought it was 2.1mm.  I'm pretty sure that's what mine is.  But I can't check now as I'm on the road.
I don't know what it is. That's why I advised to measure and search Digi-Key for the correct size connector. The link I provided was the first similar panel connector I found, just to show the style and where to find one. Measure and search!

--- Mike


Re: CP3 power connector (12V)

Woody Schlom
 

Are you sure the center is 2.5mm?  I thought it was 2.1mm.  I'm pretty sure that's what mine is.  But I can't check now as I'm on the road.

You can stick a 2.1mm x 5.5mm plug into a 2.5mm x 5.5mm socket,  but the connection will be loose.

Woody 

On May 23, 2022 5:08:49 PM "Mike Dodd" <mike@...> wrote:

On 5/23/2022 10:48 AM, John Gaul wrote:
[Edited Message Follows]

EDIT: sorry, didn't read original post carefully enough. Looking for a 
female/socket for the CP3 side not the plug for power cable as below.

The link I sent 
<https://www.digikey.com/en/products/detail/kycon-inc/KLDPLX-0202-B/12620420> 
is for a 2.5mm panel jack, not the plug. I suggest measuring the one on 
your CP3 and search Digi-Key for the same size.

--- Mike




Re: Mach 2 basic operation

midmoastro
 

And if you already use NINA, just use the sky atlas to point to something. For my quick nights, if I already know what Im going to image, there is no need to connect stellarium or other software. Enter M106 in SkyAtlas and 'slew'.

2561 - 2580 of 88962