Hello,
When I start Ekos and the Control Panel appears, there is a gain/offset listed in the Main Control Tab of the camera. When I go to schedule the run for the camera, I can leave the Gain and Offset at "--". does that mean the default is used or are the Gain/Offset set to 0 for the run? As a follow on question, does changing the gain/offset in the schedule does it override the default?

Anand

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Anand Narwani created a new topic ' Polemaster issues' in the forum. 3 months ago

Hello all,
I’m using the polar alignment tool with my polemaster on my Losmandy GM811G. Twice now, EKOS reports less than 1’ of polar error, but phd2 reports greater than 10’ of polar error.
Last night, I did a second polar alignment with my main scope (336mm fl with a 2.9um camera) and found that the alignment was indeed off by close to 10’. After completing that, phd2 agreed with the final polar error of around 1’. Is there something about the process or the camera that makes the polemaster inaccurate? Maybe I’m doing something wrong?

Anand

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Anand Narwani replied to the topic 'Crash in Alignment Module' in the forum. 6 months ago

aha! found it. I'll download and give it a whirl.

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Anand Narwani replied to the topic 'Crash in Alignment Module' in the forum. 6 months ago

Hi Jasem
I didn't know there were different versions. I guess I just followed the download link in the email. How can I download the image for it? When I go to the downloads page on stellarmate.com, it takes me to the orders page.

Anand

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Anand Narwani replied to the topic 'Crash in Alignment Module' in the forum. 6 months ago

Hi Rob,
I have a Pi4 with 8GB of Ram, but it does appear that its armhf archictecture

stellarmate@stellarmate:~ $ uname -a
Linux stellarmate 5.10.63-v7l+ #1496 SMP Wed Dec 1 15:58:56 GMT 2021 armv7l GNU/Linux
stellarmate@stellarmate:~ $ sudo dpkg --print-architecture
armhf

CCD Logging was off for these tests, so I don't think its related.  I will disable the parallel option and see if that corrects the issue.

Anand
 

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Anand Narwani created a new topic ' Polar Alignment Help' in the forum. 6 months ago

Hello,
I am trying to use the polar alignment module with my Stellarvue SVX-102T (714mm FL @ 101.5mm) main scope and QHY183C Camera (2.4um pixels at 5544*3694).  When I polar align, I use the following process:

  1. Setup the tripod and level it.
  2. install the mount on the tripod.
  3. Place my cellphone in the saddle of the mount and use the daytime alignment mode in PS Align Pro.  If you're not familiar with this, the app will display a bullseye and a set of crosshairs.  I move the tripod and adjust the Altitude/Azimuth knobs to center the crosshairs on the bullseye.
  4. I complete the setup by installing my scope, guidescope, camera etc
  5. I run Capture and Solve with the option of "Sync" as this appears to prevent the solver from crashing.  The results are:
    1. Effective FL of 736mm
    2. FOV 62.1' x 41.3'
When run the polar alignment routine I get a polar error of a little more than 1 degree.  The issue I have is that the endpoint of the vector is always off the image no matter where I selected the star.  In order to try to get closer, I repeated the polar alignment process several times trying to get closer.  At one point I had a total polar error of 51', but that was as close as I could get. The red circle would disappear after some time, so I suspect that I kept overshooting the end point.   Help.

Anand

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Anand Narwani replied to the topic 'Crash in Alignment Module' in the forum. 6 months ago

Jasem,
I've attached the logs for the crashes last night.  It's definitely related to the solver and I am certain it goes away when I run a capture and solve with the "sync" option selected. I do have the core dumps if that helps.

Anand

 

File Attachment:

File Name: logs.tar.gz
File Size: 40 KB


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Anand Narwani replied to the topic 'Crash in Alignment Module' in the forum. 6 months ago

This makes sense. I noticed that the messages were saying that WCS was not set. At one point, I ran capture and solve with the "do nothing" option and it set it. I can't be sure, but I don't think it crashed after that. I will make an effort to be more deliberate with the testing to reproduce the crash.

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Anand Narwani replied to the topic 'Crash in Alignment Module' in the forum. 6 months ago

Jasem,
I recompiled the Waveshare driver yesterday before trying again. I skipped alignment and went straight into Polar alignment and it did crash once. I've only just seen the link in your signature for submitting logs, so I'll wait until I have a clear night and try again with to capture logs. I'll post here as soon as I have those.

Anand

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Anand Narwani created a new topic ' Crash in Alignment Module' in the forum. 6 months ago

Folks,
I have the following hardware:

  • RaspberryPi 4 with Stellarmate OS latest stable (as of 2/1).
  • KStars/Ekos running locally via VNC
  • Waveshare MotorHat Focuser
  • QHY183C Main Camera (via USB3 Port)
  • QHY5-II Color guide camera (via USB2 Port)
  • Losmandy Gemini 2 (Direct Connect Ethernet)
  • The Pi and MotorHat are powered from a 50AH LifePO4 battery via the power port on the MotorHat.
From prior experience with my Celestron Mount, I would normally align the mount and then perform the Polar Alignment. When I try to run the "Capture and Solve" after slewing to my target, Kstars would crash. I restart KStars and Ekos and It says that there is an Indi Server already running, do I wish to stop it and start a new one.  If I respond yes, it restarts.  If I respond no, I get a dialog box indicating that the Waveshare MotorHat driver has crashed and do I wish to restart.  Clicking Yes causes the dialog to go away and come right back up.  Clicking no, results in Ekos starting without that driver. 
Questions:
  1. Is the fact that I am trying to align before polar aligning causing the issue?
  2. Is there a reason why the align module would crash the Waveshare driver, or is that just a red herring?
  3. How do I use the Ekos Debugger to provide logs so I can figure out what is actually causing the crash?
Thanks,
Anand

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