Alfred replied to the topic 'Lost star when dithering causes capture module to hang' in the forum. 1 week ago

Ok, so it is my understanding that we're confronted with two distinct problems. 1. The guide module losing the guide star during dithering which should not happen in the first place and 2. the capture module not being informed that guiding has resumed so it should continue taking pictures.

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Alfred replied to the topic 'Lost star when dithering causes capture module to hang' in the forum. 1 week ago

With regard to guiding I have experienced significant differences between mounts (or their respective drivers). A Losmandy G-11 works perfectly here withh dithering set to 10 pixels whereas an LX200basic-driven Alt-5+FS2 (with all other equipment the same) regularly fails to even calibrate. The FS-2 + Alt-5 combination is of high quality and doesn't suffer from backlash or other imperfections that could explain the difficulties. The G-11 however never lost a guide star (neither at 2,8 pixels nor 10 pixels) and that's why I believe the root cause for your problem could possibly be found outside of the "dither code".

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Alfred replied to the topic 'Lost star when dithering causes capture module to hang' in the forum. 1 week ago

What happens when the number of pixels for dithering is too low, has been discussed here:

indilib.org/forum/wish-list/3389-fixed-p...ue-to-dithering.html

You'll end up with a drift pattern that looks like "rain". The "rainy" picture was taken using 2,8 pixels dithering. The same picture taken using 10 pixels dithering did show perfect random noise.

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Alfred replied to the topic 'recording .ser from streams' in the forum. 2 weeks ago

Ok, could that be changed? Optional transfer of the .SER file to the client after its recording has been finalized would be fine. Just like .FIT and and .CR2 files are trasferred.

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Alfred replied to the topic 'recording .ser from streams' in the forum. 2 weeks ago

I have a server at the scope and a client in my office. When I record streams from my office they are being recorded on the server machine only. I assume this is what it's supposed to be like. Can we have a feature that would automatically transferr the file to the client or is this implemented already and I am too blind to see?

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Alfred replied to the topic 'Add settle down time after auto guiding start or resume' in the forum. 3 weeks ago

starrybird wrote: The settle time under "Dither" seems to be the delay between the dither and guide resuming, so that's why I said I add delay in capture module between each frame because this delay performs after resuming.


That's exactly my impression when using ditherring. I had hoped settle time was the time between re-starting guiding and taking the next picture but it doesn't look like it. I might be wrong though.

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Alfred thanked Jasem Mutlaq in topic KStars v2.9.6 is Released 4 weeks ago
Alfred replied to the topic 'recording .ser from streams' in the forum. 1 month ago

It does work here now, too!

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Alfred replied to the topic 'Fixed pattern noise due to dithering' in the forum. 1 month ago

I promised to report back... A few days ago I took another photo of M51. This time dithering was set to 9,7 pixels (10 pixels is the max in Ekos). The result is marvellous, noise is perfectly random IMO. Problem solved! Thanks a lot for your help, andreas.d!

P.S.: I had to abort the session after taking 13x3min exposures due to bad weather.

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Alfred thanked Jasem Mutlaq in topic Re:Requests/suggestions 1 month ago
Eric thanked Alfred in topic Sequence queue hickup 1 month ago
Alfred replied to the topic 'Re:Requests/suggestions' in the forum. 1 month ago

If you have a busy sequence queue and guiding is activated in the guide tab, then abort the sequence and slew to a new target the guider will remain active. Manually activated slewing, particularly after stopping the sequence queue, should stop guiding automatically IMO.

Downloading index files works for only half of the files listed. In my case the Tycho column works down to 4114. The files listed further down will provoke an error after download: "KAuth returned an error code: 8 Fehler im D-Bus-Hintergrundprogramm: Hilfsanwendung kann nicht kontaktiert werden. Verbindungsfehler: Not connected to D-Bus server."

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Alfred replied to the topic 'Requests/suggestions' in the forum. 1 month ago

I second that, 1) in particular.

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Alfred replied to the topic 'Help /Advise to connect FS2 to RASP and what to install on RASP' in the forum. 1 month ago

Chris,

I do not have a PI but I do run an FS2 via USB-serial converter. I have several and they all work but I've been recommended one incorporating a Prolific PL2303 Chip. I use one of these for years and it gets the job done reliably.

Regarding the FS2 indi driver I know others run the indi_lx200fs2 driver successfully. Unfortunately it doesn't work here. It appears to me it all depends on what version of the FS2 you're using. Should you run into problems using the lx200fs2 (the mount won't slew or slews once and never again), I recommend using the lx200basic driver instead.

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Alfred replied to the topic 'Fixed pattern noise due to dithering' in the forum. 1 month ago

Ok, will do that and report back. Thanks an awful lot!!!

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