Peter Polakovic replied to the topic 'Atik GP: Exposure not terminating' in the forum. 2 weeks ago

Yes, that's correct. As a general solution I'll set it to 4 microns what is +/- what can be expected from video camera. Peter

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Peter Polakovic replied to the topic 'Atik GP: Exposure not terminating' in the forum. 2 weeks ago

Hi Frank, Atik GP really is PointGrey Chameleon, it is OEM product.

Pixel size is a problem, because this information is not provided by the camera and generally by DC1394 specs. Is it really needed? The same problem is with V4L2 cameras, am I right Jasem?

If it will help, I can set the size to 1x1 instead of 0x0, but real pixel size can't be determined.

Peter

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Peter Polakovic replied to the topic 'Atik GP: Exposure not terminating' in the forum. 2 weeks ago

Hi Frank, great! Thank you for testing it! Peter

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Peter Polakovic replied to the topic 'Atik GP: Exposure not terminating' in the forum. 2 weeks ago

Hi Frank, yes, this camera in mode 7 supports longer exposure time. It is limitation of SDK used by INDI driver. The easiest way how to add full support is to use libdc1394, but it was out of scope of Atik SDK. Peter

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Peter Polakovic replied to the topic 'Atik GP: Exposure not terminating' in the forum. 2 weeks ago

Hi, I tried it and it seems to work. I suspect, that the problem is, that not every exposure time is actually supported by the camera (max exposure is 0.5s). It is actually IIDC camera and INDI driver uses video mode/format 2/2 (or 5/0 for binning 2x2) so it is limitation of available frame rates. If you want to use longer exposure time you need real IIDC driver which can use mode 7. As far as I know there is no such INDI driver, but you may try INDIGO IIDC driver .

Peter

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Peter Polakovic replied to the topic 'Horizontal Line on SXVR-H18' in the forum. 4 months ago

Legacy Atik cameras (Atik16 etc) are not supported by our driver as well. Peter

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Peter Polakovic replied to the topic 'Horizontal Line on SXVR-H18' in the forum. 4 months ago

Hi, what system and what processor is it? This is know problem caused by USB transfer chunk size. If it is not large enough, it will create such artefacts in the image. If it is too large, it will fail on ARM machines. That's why the chunk size is set differently for different platforms. Peter

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Peter Polakovic replied to the topic 'Problem getting images from Atik 383L+ mono' in the forum. 6 months ago

Probably because ATIK driver is not opensource. Peter

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Peter Polakovic replied to the topic 'can't take short exposure with SX-694' in the forum. 6 months ago

So I made a couple of experiments with SX694 dark frames with both INDI driver and INDIGO driver. The difference is, that while INDI implementations uses only computer timed exposures, INDIGO uses much more accurate camera timed exposures for short times. Implementations are so different, that they hopefully do not share some common bugs :)

For INDI the pixel value averages for 10s, 1s, 0.5s and 0.0025s were 1819, 1705, 1699 and 1700, for INDIGO 1821, 1711, 1702 and 1700. Values are not 100% consistent for INDI, because computer time measurement is not so accurate, but in both cases the average for the BIAS is 1700.

What exactly do you mean by "too hight background level"? Peter

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Peter Polakovic replied to the topic 'Problem getting images from Atik 383L+ mono' in the forum. 6 months ago

Pls. can you try version 1.24? Peter

http://www.cloudmakers.eu/atikdrivers/

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Peter Polakovic replied to the topic 'Problem getting images from Atik 383L+ mono' in the forum. 6 months ago

Sorry, I missed this thread, I'll check what's wrong. Peter

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Peter Polakovic replied to the topic 'Easier multi server implementation' in the forum. 6 months ago

And what about mDNS service discovery successfully used by mac INDI applications for years :) You will need not to configure anything... Peter

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Peter Polakovic replied to the topic 'can't take short exposure with SX-694' in the forum. 6 months ago

I have 694 as well and will try it with recent INDI build, but I'm out this week, so please be patient. I'm using it regularly (well, on Mac and not with INDI) and this also happen sometime if camera is not properly powered (I usually plug power cord to the fan instead of camera itself). Peter

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