Patrick Chevalley replied to the topic 'Why EQMOD?' in the forum. 3 months ago

The synscan is suitable, but eqmod is more convenient.

For me the most important point to use eqmod are:
- you not need all this click to initialize the handpad, so you can power on remotely.
- you can do the star alignement on as many stars as you want by using plate solving anywhere on the sky, no need to center some specific bright star in the camera.
- if using a fixed pier you can save and reload the alignement for the next session.
- maybe more I not remember because it's so long I not connected the synscan.

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Patrick Chevalley replied to the topic 'Atik driver keeps crashing!' in the forum. 3 months ago

For me atikccd-1.26 work fine on Ubuntu 18.04.
Just install libnova-0.16-0 , then create a logical link /usr/lib/x86_64-linux-gnu/libnova-0.14.so.0 -> /usr/lib/x86_64-linux-gnu/libnova-0.16.so.0

But for this kind of problem it can be good to have the Atik driver in 3rdparty so we can recompile it when necessary. The closed source part can be in binary form as for the ASI or other.

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Patrick Chevalley replied to the topic 'Support of TELESCOPE_PIER_SIDE switch / meridian flip' in the forum. 3 months ago

You are right, all the lx200 do not have this property. To be more precise I see it in : lx200pulsar2, lx200ap_gtocp2, lx200_10micron, lx200gotonova, lx200ap_experimental, lx200_OnStep, lx200ap, lx200gemini,.
But there is no standard lx200 command to get the pier side because the original lx200 are fork mount. So each of this driver use a specific command extension to get the pier side.
You must look at the fs2 documentation to see if such a command exist.

About your Windows users, why they not use a Ascom driver with Poth to automate the dome? but this is out of topic here, write me a private message if you are interested to develop.

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Patrick Chevalley replied to the topic 'Support of TELESCOPE_PIER_SIDE switch / meridian flip' in the forum. 3 months ago

TELESCOPE_PIER_SIDE switch is read only, it give you the current side but you cannot set it to force a flip.
From a quick look at the source code it is in the following drivers: eqmod, lx200*, temma, ioptron.

The automatic meridian flip cannot be done at the Indi level, it is the responsibility of the capture application because you not want a flip on the middle of an exposure.
In my capture application this switch is use to check the mount state before and after the flip, but the flip itself is done with Slew command.

This property is very important for dome automation to put the opening in front of the telescope on both side of the meridian.

It is also used by auto-guiding application like PHD2 to know if it need to reverse the declination movement relative to the calibration.

You can use indi_eqmod in simulation to play with this property. After you start the driver set the option Simulation to Enable before to click Connect.

Patrick

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Patrick Chevalley replied to the topic 'ISO in file names' in the forum. 5 months ago

The standard graphical tools to work with fits file are ds9 and fv.
But in your case a command line solution is probably better because this allow to write bash script to automatically move or rename your files based on some fits keyword.
You can use fitsverify, packaged in Debian/ubuntu, for that.
For example to extract the exposure time:

fitsverify -l IMAGE_001.fits | grep EXPTIME | awk '{print $5}'


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Patrick Chevalley replied to the topic 'SkySafari 6 doesn't connect' in the forum. 6 months ago

What is your AstroEQ version ?
Release notes for the last 8.11 include:

8.11 Fixes + Improvements
Fix major issue with Indilib.
The handling of the Synta :f command was wrong, resulting in incorrect status updates and issues using Indilib.

:f is GetAxisStatus , so a very important command.

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Patrick Chevalley replied to the topic 'Re:v4l2 ccd_exposure property' in the forum. 7 months ago

Yes, this can be a good solution to set CCD_EXPOSURE_VALUE min and max to zero.
At the moment I add a checkbox to ask the user but it is good if we can be sure of the capabilities of the camera.

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Patrick Chevalley replied to the topic 'V4L2 CCD PHD2 stacking not working' in the forum. 7 months ago

I have updated the version in the PHD2 ppa with this change.
Intel versions are already available, ARM versions are queued for build and this may take some time.

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Patrick Chevalley replied to the topic 'V4L2 CCD PHD2 stacking not working' in the forum. 7 months ago

Finally I also add an option in the phd2 INDI camera setup to force the use of streaming over exposure time.
I label the checkbox a bit negatively "Camera do not support exposure time" to avoid unwanted use. But you can use it force the use of stream stacking if the camera support both method.

This is in :
github.com/OpenPHDGuiding/phd2/commit/3a...db35b1d97d5e23ba3086

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Patrick Chevalley replied to the topic 'V4L2 CCD PHD2 stacking not working' in the forum. 7 months ago

This was more easy than I expected, I already commit the change:
github.com/OpenPHDGuiding/phd2/commit/59...f7d16b2bb455b03d04fe

Just pull and compile again, you must see more stacked frames as streaming is not always stopped.

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Patrick Chevalley replied to the topic 'V4L2 CCD PHD2 stacking not working' in the forum. 7 months ago

Thank you for testing!

Yes, I can probably change that to start the streaming the first time and never stop it until we disconnect the camera or maybe if the stop button is pushed.
Frames received outside of pseudo exposure time will just be ignored.
I look to make that tomorrow.

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Patrick Chevalley replied to the topic 'V4L2 CCD PHD2 stacking not working' in the forum. 7 months ago

I implemented stacking now:
github.com/OpenPHDGuiding/phd2/commit/18...570b88a5dbc2b1201c13

Can you compile the last git and try it?

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Patrick Chevalley replied to the topic 'V4L2 CCD PHD2 stacking not working' in the forum. 7 months ago

I am a bit reluctant to add a checkbox because many user like to check the options they not need, and the risk is they use a less performant guiding by forcing to streaming a camera that also support long exposure.
At least all the users of ZWO and QHY are at risk. On the other side the users of webcam or video acquisition card are probably very few because this is not working with phd2 for nearly two years before we get a report.

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You need to compile phd2 from today git to make the webcam to work.
See: www.indilib.org/forum/ccds-dslrs/3078-v4...-property.html#23384

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