did some further research about color temperature (white balance) for day and night sky. There is an interesting paper about the
Color of the night skycolor of the night sky
. And another one for the daytime dependend color temperature between sunrise and sunset www.researchgate.net/publication/3287269...or_augmented_reality
Combining the two results, it should be possible to approximately set a reasonable white balance for allsky pictures without actually measuring it or using the unreliable automatic functions.
CS, Markus
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Hi Aaron,
thank you so much. It works very well. I finally got a good daylight wihite balance with just the manual settings. Btw. Switching on AWB or SNCR throws the WB off and makes it worse.
early afternoon settings for Pi HQ camera:
Red Balance Factor
2.6
Green Balance Factor
1.0
Blue Balance Factor
1.8
CS, Markus
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Hi Aaron,
would it be possible to implement a function to show the histogram of a definable ROI in the image and not the complete image. Would help with manually finding the correct white balance more easily.
CS, Markus
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your signal catching and capture process restart does work. Had a hung camera this morning, manually restarted the indiserver and pictures came in again. The log showed the catch of the signal and the restart.
I think the remote restart could be an optional feature or just a driver restart like the indi web manager is capable of doing. Something like if the camera is BUSY for more than 60s do a driver restart, if more than 180s do an indiserver restart, if more than 360s do a remote reboot.
CS, Markus
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Hi Aaron,
thank you for the change, a first step to mitigate the problem. I will do a daily restart of the indiserver now. Worst case, it will be out of service for almost 24h. Doing the remote indiserver restart if indi-allsky detects the out of order condition would be really nice.
another queston: in your wiki about the indi_pylibcamera github.com/aaronwmorris/indi-allsky/wiki...ra-setup#indi-config you mention a indi config change for AWB. Where exactly do I have to do this change? I was to dumb to find the place. Would it be good to have a specific indi_pylibcamera ini file?
CS, Markus
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Hi Aaron,
I try to use indi-allsky with a RPI HQ (IMX477) camera and a RPI Zero 2 W (or RPi Zero W). Because of the memory limitations with the indi_pylibcamera driver by scriptorron. In my trials on my desk and after some conversation with scriptorron I now get runtimes of up to 4 days until the camera stops, Maybe the driver can be further improved, but I have little hope because the root cause is hard to identify. It would be good to handle the problem on a higher level within indi-allsky. The system returns to work if I do a restart of the indiserver service on the remote Zero 2 W AND a restart of indi-allsky on my server. Just doing the indiserver restart does not help, because indi-allsky does not recover. A possible solution would be a ssh remote command execution of the indiserver restart initiated by indi-allsky and restarting image acquisition by indi-allsky.. Would it be possible to implement this? Maybe there are other ways of mitigation already available?
Thank you very much for your great work!
CS, Markus
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problem solved, for some reason after another reboot it does work now after the installation of the QHY SDK. Hopefully the PPA will be repaired soon. After years of almost flawless service, it troubled me a lot since December.
CS, Markus
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Hi Euripides,
your fireball was recorded by the greek part of the
allsky7.net/index.html?&country=GRAllsky7
network 
CS, Markus
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ok, will give it a try later this evening. But the QHY SDK already came with a fxload that should be suitable and the PPA should have provided it in the first place....
CS, Markus
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my older QHY 462C used to work with my indi setup. I recently got a QHY 715C and tried to use it with my new setup. Unfortunately it does not work anymore with both cameras I have done a fresh install of Ubuntu 22.04 LTS and INDI full install with the PPA.. After some research, I recognized that the udev rules 85-qhyccd are missing. I downloaded the latest QHY Linux SDK and installed it. This should provide the udev rules and the fxload and firmware files. Still no success and I'm out of ideas now. Needless to say, both cameras work with the WIndows drivers, on the same hardware after dual booting into W11 and my old QHY 5L-II USB2 camera dows work with INDI too.
What could be wrong?
CS, Markus
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same problem after upgrading to v2.0.6 ...
I have now removed the ppa indi packages and compiled INDI v2.0.6 using the handy build_indi script by Aaron Morris. The self compiled versions of indiserver and the device drivers work flawlessly if started manually. Unfortunately I now have problems starting the stuff using indiweb. I already created a symbolic link between /usr/share/indi and /usr/local/share/indi.to get the device info and did a pip3 upgrade of the package.
CS, Markus
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Hi Aaron,
would it be possible to have multiple instances of indi-allsky (I guess yes, but with a big memory penalty) or creating a multi-camera version of it to control more than one camera. I know you are not bored out yet creating new features for it
CS, Markus
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