nou replied to the topic 'Scheduler in 3.5.9' in the forum. yesterday

I read about similiar issue before that for some reason file numbering doesn't work properly. As workaround enable timestamps in files names.

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That is library version mismatch. Make sure that you update again so both libstellerasolver and kstars versions are in sync.

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nou replied to the topic 'Focus after flip?' in the forum. 2 days ago

It was merged so it should be included in next release.

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No free command is fine. I just wanted to make sure that your log is from that free command and something else.

But that Phonon::createPath: Cannot connect remind me that there was issue with sound notification. After a while kstars process run out of available file descriptors and crashed. I am not sure if it was fixed but go and disable all sound nofitication in Kstars Settings->Notification settings.There is play triangle next to them.

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nou replied to the topic 'Object name is Unknown in FITS header' in the forum. 6 days ago

Use scheduler tab where you fill "Target" field that is then put into OBJECT FITS header.

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What is important is available not free. Linux just keeps any read/writen file in memory cache until it is knocked out by program allocating some memory or by other read/write operation.
You can clear this memory cache by running "echo 3 | sudo tee /proc/sys/vm/drop_cache"

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if you use basic free shell command then "free" really means totally unused memory. what you should look at is available as OS can easily free most of memory occupied by cache.
What I don't get is why swap is going up. I don't think this is memory issue but something else.

Try run "gdb kstars" then press enter "run" command and wait until kstars crash. Then use "bt" command to get backtrace and post it here.

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Most of images have 8 bit per channel. That means colour values are in 0-255 range. 16 bit images have this in 0-65536 range. Problem is that lot of cameras produce images with only 0-4096 range or smaller range. So brightest pixels in image have value 4096. Most of image viewer doesn't stretch displayed image so you end up with 4096/65536=6% brightness which is almost black.

You can try load these 16bit images in GIMP and use levels tools to stretch it. Actually GIMP can load FITS images directly.

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nou replied to the topic 'Ekos streaming controls for ZWO ASI' in the forum. 3 weeks ago

Try enable high speed mode. That usually switch ADC to lower bit rate.

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nou replied to the topic 'Focus after flip?' in the forum. 3 weeks ago

I don't know when Jasem decide to merge it.

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nou replied to the topic 'Focus after flip?' in the forum. 4 weeks ago

I had same issue so I added exactly this feature. There is merge request for that invent.kde.org/education/kstars/-/merge_requests/519

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nou replied to the topic 'Raspberry PI4 4gb Raspbian crash' in the forum. 1 month ago

From that log it seems like you are running out of memory. That is often issue with RPi.

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