Hi Nigel,

I was having the same trouble a few weeks ago (www.indilib.org/forum/ekos/11479-bias-frame-not-captured.html) but Jasem updated the software. If you haven't recently updated software, that might be something to look at.

Good luck!

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Have looked at this some more and wanted to report that if I set up a Bias frame sequence as previously described and select the Start Sequence button, I get the behavior I described (just the spinner and no images captured). If I then select the Stop Sequence button, the sequence stops and the log shows "CCD capture aborted" as one would expect. If I then select the Start Sequence button again, the sequence starts and executes normally. Hope that helps.

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Answering a couple of questions:

I'm running Ekos on a Raspberry Pi running Stellarmate OS v1.7.0 (64 bit) which includes KStars 3.5.8.

By not working I mean that if I set up a sequence to take Bias frames and then start that sequence, in the Progress section of Capture Module next to the box that counts down the exposure time, all I get is the little spinner. No count down of exposure time and no frames marked as having been captured. I have checked the folder where the images are stored to verify that none were captured. IF I set up a new sequence with all the same parameters EXCEPT that I change the Type to Dark (or any other type), the sequence executes. I had not experienced this behavior prior to this most recent release.

Best,
Fred

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Have downloaded the latest version of KStars (3.5.8), 64 bit. I can no longer capture bias frames, either as a Capture Preview or as part of a sequence. Lights, Darks, and Flats all work. I have tried capturing the bias frames at the fastest shutter on the camera (ASI6200MM) and at 1 second and it doesn't work either way.

Anyone else having this problem or have any advice?

Thanks,
Fred

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Wanted to post that I have been able to update to 1.6.1. After numerous attempts using the Software Updater on the RPi desktop (via VPN) as well as the software update function on the Device screen of the iOS StellarMate app, I couldn't get the update to work. It would start to download the update - get between 5% and 20% done and report that it had completed and that I should reboot the device. This didn't actually update the software which I confirmed by checking the version number -  I was still running 1.6.0.

It appears that the update process was a victim to my fix for the RPi's poor WiFi. I use a range extender near my rig and, because it has an ethernet port, I sometimes run an ethernet cable from the extender to the RPi. In this case the RPi reports both a WiFi connection and an ethernet connection although the icon on the top right of the desktop routinely shows the graphic for an ethernet connection, which I have assumed is preferred. As part of my attempt to troubleshoot my update, I disconnected the ethernet cable and the RPi was therefore only on its own WiFi - everything worked.

It's strange that it starts the update in the dual WiFi/Ethernet configuration and reports a successful completion - but doesn't actually update. On the other hand, when I use WiFi only, it starts and completes successfully. In my normal use, the dual configuration hasn't presented problems but I think I'll dispense with the ethernet cable for a while and see how things go.

Fred

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Alex,

Thank you for your response. I've power cycled the RPi a number of times and have had it running for hours - still shows 1.6.0. I also ran the command you referred me to and that generated all kinds of error messages but no update. I'll have a look at this more today to see if I can move this forward.

Again, thanks.

Fred

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My StellarMate OS software updater tool shows I'm running 1.6.0 so I assumed it would show an update to 1.6.1. When I invoke the Software Updater it provides a "All software is already up to date" message. Is anyone else having this problem or is there a fix?

Thanks!
Fred

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Jasem - I was able to update the StellarMate app on the iPad as well as install a small update to the RPi. Everything is working again and it's great. I'm looking forward to giving it a try imaging in the next night or two. Just wanted to say thanks for all the improvements as well as the fixes!

Fred

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Thanks Jasem and Gord - I'm not seeing it on the App Store yet but that may be a geographical difference (I'm in the US). I tried the delete and re-load again on two devices and keep getting 2.4.0. Assume it will get here eventually.

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Gord - thanks very much for the update. I'll keep an eye out. When this works, it's truly great.

Fred

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This app continues to be challenging to use and I really want it to work. I've tried another iPad and have been able to navigate targets without the app crashing finally. However it crashes when you try to define presets in the camera app for example. This morning, while trying to capture updated bias frames, it got half way through the sequence and crashed. In this case it wasn't just the iOS app but the instance of EKOS on the RPi just stopped. Why this behaves badly and also differently on different iOS devices makes it hard to diagnose since there is no consistent pattern that is obvious. There may be some configuration differences between devices but that still wouldn't explain the app's and EKOS' unstable performance overall.

If anyone supporting the app/EKOS would like me to try things, I'd be more than happy to be lab rat.

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I've been using 1.5.9 with no problems and since upgrading to 1.6 yesterday things are very unstable. I am running StellarMate on an RPi 4b and controlling it from the StellarMate iPad app or sometimes a Mac (in the case of the Mac, either via Screenshare or from the KStars app). In the StellarMate iOS app, when I try to use the new targets feature, if I select a target, the app crashes and I end up back at iOS. If I try to use the VNC feature inside the StellarMate app, the same result - app terminates and I end up back at iOS. From both the iOS app and using the Mac, the connectivity is very unstable and I've had to reboot numerous times just to get an imaging session done. Is anyone else having these problems? I'm ready to just flash a new micro SD card for the RPi to see that helps. StellarMate reports that I'm running on the current version but sometimes a complete new install can help although it comes with the headache of setting things up again (I do have a back up but  . . . .).

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Kurt - I hope the powered hub does the trick. I have run my SSD off a powered hub (the hub was connected to the RPi via one of the USB3 ports) and it worked well there.

Good luck,
Fred

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