Well Jasem based on your feedback I found the issue. So I had recreated my darks but never deleted my old darks from the master list. So it kept picking the oldest file which didn’t match for gain.


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Not to put a spanner in the works but I have a tec cooled camera and always shoot all my darks and lights at -5deg and I still had the issue. I’ll try widen the temp tolerance limit as suggested and see if that works in case there was some issue while shooting the darks.


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I have noticed the same issue. I took a whole suite of darks at different times and bins,Using my standard gain and offset yet when I tick the dark frame option it always comes back with no matching dark frame.


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Hi folks,
I’m attempting to use kstars with Indi server and I’m running into a road block. So when I take an image with my AA26C it saves to the remote device really fast. But if I try and take a preview image it can take up to 180 seconds to send back to my laptop which makes using it a no go. I’m currently using a wired Ethernet connection on an mini pc running Ubuntu 20. Is there a setting that can be tweaked to increase the download speed I tried changing the transfer buffer to 8Mb.
I am able to use the miniPc as a stand alone device and VNC into it but I wanted to try run kstars on my laptop and control from there.
Has anyone else run into this issue?

Thanks.
Lenny.


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Lenny created a new topic ' Stellarsolver for windows' in the forum. 3 months ago

Hi folks,
I was wondering if there was an msi installer or executable file for installing Stellarsolver on windows. It’s mentioned in Git about downloading the latest exe file but I haven’t been able to find one.
I can’t use craft to build it due to work restrictions on my laptop.

Thanks.
Lenny


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Lenny created a new topic ' Pedestal value for light files.' in the forum. 10 months ago

Hi folks. I am imaging with a Altair Astro quad band filter and have had issues with dark subtraction causing negative values and truncating the lights to almost black in PixInsight . See attached. I believe the solution is too add a pedestal offset to the light files. So how do you do this ? Or can it be done in Ekos?
Or if someone outer could tell me is there something else I should be doing to combat by dark files having a higher mean value than my lights. 

Thanks,
Lenny.  

Hi folks. I am imaging with a Altair Astro quad band filter and have had issues with dark subtraction causing negative values and truncating the lights to almost black in PixInsight . See attached. I believe the solution is too add a pedestal offset to the light files. So how do you do this ? Or can it be done in Ekos?
Or if someone outer could tell me is there something else I should be doing to combat by dark files having a higher mean value than my lights. 

Thanks,
Lenny.  Hi folks. I am imaging with a Altair Astro quad band filter and have had issues with dark subtraction causing negative values and truncating the lights to almost black in PixInsight . See attached. I believe the solution is too add a pedestal offset to the light files. So how do you do this ? Or can it be done in Ekos?
Or if someone outer could tell me is there something else I should be doing to combat by dark files having a higher mean value than my lights. 

Thanks,
Lenny.  Hi folks. I am imaging with a Altair Astro quad band filter and have had issues with dark subtraction causing negative values and truncating the lights to almost black in PixInsight . See attached. I believe the solution is too add a pedestal offset to the light files. So how do you do this ? Or can it be done in Ekos?
Or if someone outer could tell me is there something else I should be doing to combat by dark files having a higher mean value than my lights. 

Thanks,
Lenny. 

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Ok I gather this has to do with the broken PPA for Ubuntu 20 mentioned in another post. Will close this off until that’s resolved and check again. 

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Lenny replied to the topic 'VNC over hotspot' in the forum. 2 years ago

Thanks Folks,
Jabian, yes i am completely disconnected and my (phone ) which I am using to try control device is connected to the Hot spot I created.

Phomer60, Yes I can SSH into the device over the hotspot which is the weird thing. I did notice that the output of

netstat -nl | grep 5900
results in:
tcp    0     0  0.0.0.0:5900            0.0.0.0:*       LISTEN
tcp6   0     0 :::5900                  :::*            LISTEN
while the same command on the hotspot yields no result.
Its like the VNC server isn't listening when I switch over and I don't know why, maybe the wifi card dosent support it ? (Intel wireless 7260) but I checked and it is supposed to.

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Lenny created a new topic ' VNC over hotspot' in the forum. 2 years ago

Hi folks,
I wonder if you could give me some advice. I have a UTx-3115 fanless pc setup to run Ubuntu and Kstars. I have real VNC and vino set up and I am able to VNC to the device over the internet and my WiFi’.
However when I create a hotspot on the device and try to connect I get a port is not listening error and I can’t figure it out.
I’ve tried the internal IP and the device name but cannot connect. There is no firewall running.
Obviously I want the hotspot so I can control my device when I’m imaging at my remote location. I was using a Pi but figured the fanless pc was more rugged.

Any pointers would be greatly appreciated
Thanks.
Lenny.

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Hi Karl,
Sorry I missed this post and only got around to testing it today. So I added in another

pslr_shutter(camhandle);
and ran a test. initially the camera just fired the shutter when i looked at the logs i could see it didnt detect debug mode. So i changed line 981 in pslr_model.c to
{ 0x12f52, "K-30",        false, true,  true,
and tested it again. This time the camera fired the shutter however it reports an error in the pslr_shutter function, after the requested time expired the shutter fired again and the image downloaded. I tried this again by changing the camera bulb mode setting from press and hold to press press, however this time the camera fired the shutter but held it open, after the 35 seconds had elapsed it went through the pslr_shutter function but never fired or closed the shutter. the camera then went into a loop trying to download from the buffer and stayed like this until i manually pressed and closed the shutter. At which point it downloaded the image.

I tested the camera with the new bulb function, again on first attempt it didnt recognize the camera was in bulb mode and I needed to change line 981 in pslr_model.c to
{ 0x12f52, "K-30",        false, true,  true,
again.
This time when i tested the camera it recognized the camera was in bulb mode but said it was not supported as there where no settings in the JSON file again the shutter fires instantly the camera did not wait the requested time and the image downloaded instantly.
I tried adding some settings into the pentax_settings_json but i couldnt get the camera to change its behavior.

File Attachment:

File Name: penatx_tes.txt
File Size: 4 KB

File Attachment:

File Name: penatx_tes.txt
File Size: 4 KB


Log file attached for old bulb mode.

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Hey Karl,
Sorry for the delay is responding, I can check out your fork and test as needed sure no problem. So based off the latest update you did I tested Manual mode and was able to take multiple pictures below 30 seconds with out issue. I then set the camera to bulb mode and tried taking some picture above 30 seconds. It was successful but there was a positive the sequence executed as planned however the shutter didn't stay open. So as you know the camera has 2 bulb settings press and hold or press to open press to close. Would it be possible to write a function for the K30 to fire the shutter at the start of the sequence and fire again at the end and i could set the camera to the second option and test this?

I tried taking a picture with an exposure longer than 30 seconds in manual mode but it just defaulted the timer back to 30 seconds, it did complete the 30 seconds exposure though so that's a win.

Thanks,
Lenny.

File Attachment:

File Name: Pentax_Log.txt
File Size: 72 KB


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made some progress was able to get pktriggermode to allow bulb mode by setting plsr_model.c line 981 to
{ 0x12f52, "K-30", false, true, **true,** false, false, false,

How ever when I take a picture the shutter fires and closes and then the countdown starts so its like it dosent know to hold the shutter open......

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So i managed to get the camera to be recognized by editing the JSON file, So the version of PKtriggercord is 0.85, I downloaded the git from github.com/asalamon74/pktriggercord and had a look at plsr.c and got the hex address for the K30, once I updated this the camera was recognized and the settings showed values for the bulb configuration where as before it was unknowns.
See attached


If i started up the camera on U1 or U2 I was able to configure these to any mode I wanted, except Bulb. Every time I switched to Bulb mode or tried to start up in Bulb mode I got the error posted in my last post on referring to line 2240, which in looking at pktriggercord.c on github is actually referring to line
2304 and this function
G_MODULE_EXPORT void user_mode_combo_changed_cb(GtkAction *action, gpointer user_data) {
    DPRINT("user_mode_combo_changed_cb\n");
    pslr_gui_exposure_mode_t val = gtk_combo_box_get_active(GTK_COMBO_BOX(GW("user_mode_combo")));
    if (!status_new) {
        return;
    }
    assert(val >= 0);
    assert(val < PSLR_GUI_EXPOSURE_MODE_MAX);
    if (status_new == NULL || val != status_new->exposure_mode ) {
        pslr_set_exposure_mode(camhandle, val);
    }
}


So i think the problem is in plsr.c where it dosent determine the camera has actually been put into bulb mode.
pslr_gui_exposure_mode_t exposure_mode_conversion( pslr_exposure_mode_t exp ) {
    switch ( exp ) {

        case PSLR_EXPOSURE_MODE_GREEN:
            return PSLR_GUI_EXPOSURE_MODE_GREEN;
        case PSLR_EXPOSURE_MODE_P:
            return PSLR_GUI_EXPOSURE_MODE_P;
        case PSLR_EXPOSURE_MODE_SV:
            return PSLR_GUI_EXPOSURE_MODE_SV;
        case PSLR_EXPOSURE_MODE_TV:
            return PSLR_GUI_EXPOSURE_MODE_TV;
        case PSLR_EXPOSURE_MODE_AV:
        case PSLR_EXPOSURE_MODE_AV_OFFAUTO:
            return PSLR_GUI_EXPOSURE_MODE_AV;
        case PSLR_EXPOSURE_MODE_TAV:
            return PSLR_GUI_EXPOSURE_MODE_TAV;
        case PSLR_EXPOSURE_MODE_M:
        case PSLR_EXPOSURE_MODE_M_OFFAUTO:
            return PSLR_GUI_EXPOSURE_MODE_M;
        case PSLR_EXPOSURE_MODE_B:
        case PSLR_EXPOSURE_MODE_B_OFFAUTO:
            return PSLR_GUI_EXPOSURE_MODE_B;
        case PSLR_EXPOSURE_MODE_X:
            return PSLR_GUI_EXPOSURE_MODE_X;
        case PSLR_EXPOSURE_MODE_MAX:
            return PSLR_GUI_EXPOSURE_MODE_MAX;
    }
    return 0;
}


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So i tried pktriggercord on windows, it dosent recognise the camera model in the json file. So its not able to change mode or set bulb settings. So when camera is in Manual mode It works fine i can take pictures of various lengths up to 30 seconds with out issue. If i knew how to get it to recognize camera model then maybe i could test changing the settings. If i start it up in Bulb mode it gives an error as sen in attached

image

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