Richard Beck replied to the topic 'Polar Alignment with QHY Mini-Guidescope and QHY 5II-M' in the forum. 2 weeks ago

I'll try that the next time I'm out.

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Richard Beck created a new topic ' Polar Alignment with QHY Mini-Guidescope and QHY 5II-M' in the forum. 2 weeks ago

I have been trying to use the polar alignment routine with my miniguidescope (130mm focal length) and the 5II-M camera since mid-July and never had success. FOV is 2.9x2.3 arc degrees. I can't seem to plate solve with this combination, and I have assumed it was camera noise that dark subtraction didn't correct. I have binned 2x2 and don't recall at the moment what exposure durations I tried. I'm looking for suggestions to see if I can get this to work.

I have been able to polar align with my ASI 224MC on either the guidescope (FOV 2.1x1.6 arc degrees) or my primary scope (FOV 0.6x0.4 arc degrees) so it's not a plate solving issue, per se.

Both PHD2 and the internal guider are able to handle the noise on the QHY 5II-M, and guiding seems reasonable.

Thanks,

Richard

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Richard Beck replied to the topic 'Dithering Checkbox in EKOS' in the forum. 2 weeks ago

Too obvious. Sorry I took your time. I'll bet it works better with PHD2 when it's checked as well. :-(

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Richard Beck replied to the topic 'Dithering Checkbox in EKOS' in the forum. 2 weeks ago

Did some testing last night with the internal guider and the ST4 port on the mount. There was no apparent dither. Here are the guiding and configuration screen shots.





Hopefully, the relevant log file is also attached.

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Richard Beck replied to the topic 'Dithering Checkbox in EKOS' in the forum. 2 weeks ago

I should be using CEM25 and not EQMOD with my EQ6 Pro? I am using the Shoestring USB to serial connector to the mount.

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Richard Beck replied to the topic 'Dithering Checkbox in EKOS' in the forum. 2 weeks ago

I have been unable to dither using PHD2. I thought my settings were similar to the example in the Stellarmate guide.

I set up my light frames in EKOS and (in one trial) expected a dither after each exposure. There was no delay between exposures, and there were no trails in the exposure to indicate the mount was moving during the exposure.

Is there a more detailed guide for dithering? If not, what logs do I need to collect to aid in troubleshooting?

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Richard Beck replied to the topic '"indi_qhy_ccd" crashed!' in the forum. 1 month ago

Works now. Thanks.

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Richard Beck created a new topic ' "indi_qhy_ccd" crashed!' in the forum. 1 month ago

I wanted to test out something with my guide camera (QHY 5-II). I have a profile that only loads the camera. When I start INDI, i get the subject message.

I'm using KStars Build: 2017-10-09T10:07:53Z from the PPA on Ubuntu. Log file is attached.

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Richard Beck replied to the topic 'FOV must be 30 arcmins or wider' in the forum. 1 month ago

I have been successful with a 35x26 arcminute FOV which straddles the min,

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Richard Beck replied to the topic 'Cannot exceed 30s exposure with CANON EOS 300D using Ekos' in the forum. 2 months ago

You may need a shutter controller such as the DSUSB ( www.store.shoestringastronomy.com/products_ds.htm ). Jasem has this controller working for us Nikon users.

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Richard Beck replied to the topic 'DSUSB' in the forum. 3 months ago

I accidentally set that mode via one of the Windows software that I used to test my DSUSB and forgot to reset it to RAW only :-(. I noticed this setting before I saw your reply.

After resetting to RAW only, I performed additional tests, and all images came out as bayered (gray in PixInsight). However, the first image in the sequence queue was larger than the subsequent ones (see screenshot). The FITS headers say the first file is 4948x3280 and the subsequent files are 4928x3264. I have repeated the test and get the same results.

I can confirm that for the DSUSB to work, the target needs to be the SD card.

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Richard Beck replied to the topic 'DSUSB' in the forum. 3 months ago

Yes, DSUSB is working with the version that's in the Git repository. I don't know when it will be in the PPA. The issue I had on bayered/debayered files should not be a problem if the images are saved to the camera's SD card in NEF format.

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Richard Beck replied to the topic 'DSUSB' in the forum. 3 months ago

Interestingly, alternate files were debayered fits files. I ran an additional test with 10 x 40s exposures, prefixed Ten_DSUB_Test. In the attached screenshot, the 32.5MB files are gray (need debayering) and the 48.3 MB files are already debayered (open as RGB in PixInsight).

I have also attached the indi_nikon_ccd log of this capture session.

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Richard Beck replied to the topic 'DSUSB' in the forum. 3 months ago

Using the updated files on github, I was able to capture as follows, 1 @ 40s, 3 @ 40s and 3 @120s. Log file is attached.

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Richard Beck replied to the topic 'DSUSB' in the forum. 3 months ago

With the 30s exposure issue sorted for indi_nikon_ccd, I tied another test with DSUSB. The shutter never fired. The log file is attached,

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Richard Beck replied to the topic 'indi_nikon_ccd doesn't capture sequential 30s exposures' in the forum. 3 months ago

Capturing to the SD card worked (for 2 & 5 exposures). I have attached the log for the 5 exposure session as information.

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Richard Beck created a new topic ' indi_nikon_ccd doesn't capture sequential 30s exposures' in the forum. 3 months ago

As a follow-up to my DSUSB testing, I tried to capture 20 darks on my D7000 at ISO 200 and 30 seconds exposure. I was able to only capture the initial exposure.

The indi_nikon_ccd log file is attached.

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Richard Beck replied to the topic 'DSUSB' in the forum. 3 months ago

I got my DSUSB today and tested it with my daughter's Windows 10 machine, and it successfully exposed for 40 seconds. (gphoto can only go to 30 seconds, the slowest pre-programmed shutter speed.)

In my tests with INDI, the shutter was not triggered. The only file I have is the indi_nikon_ccd log file (attached). I'm on IRC with this user name if you would like to contact me in real time.

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Richard Beck replied to the topic '14 bits per pixel ASI 224C?' in the forum. 3 months ago

I thought I had used 16 bit before successfully. I don't know if it's the PixInsight BPP script missing the debayer step (complained no CFA images) post upgrade to 1.8.5 or something else. I was able to successfully debayer the files I thought were 16 bit monochrome.

Now I need to complete preprocessing.

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