Jose Corazon replied to the topic 'Re:How to update telescope coordinates?' in the forum. 11 hours 28 minutes ago

gbeaton wrote:

El Corazon wrote:
My friend has the Atlas Pro as well and he was having trouble with his pointing too. I think your issue is the time of year. The stars its selecting for 3 star alignment is not good enough. Its only covering half the sky. The 3 star alignment will only compensate for targets within the alignment triangle and for some reason the Atlas pro - synscan controller - is choosing the wrong stars for this time of year. You can add stars to your alignment - check your manual. Or select 3 stars that surround the whole sky you will be working in.


I am not even using the hand controller. The mount is directly connected to my computer.

But Eric may have put his finger on the button: I may be dealing with a rather large cone error. That might explain it. After polar alignment Polaris is not within the FOV of my telescope(s), not even the guide scope, which I have adjusted to be coaxial with the observing scope. I have not figured out yet how to correct for that on my mount, though. If anyone knows how one can make corrections to the Atlas Pro mount to get rid of cone error, please let me know as well.

Thanks!

Jo



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Jose Corazon thanked Eric in topic Re:RE: Re:How to update telescope coordinates? 11 hours 35 minutes ago
Jose Corazon replied to the topic 'Re:How to update telescope coordinates?' in the forum. 14 hours 39 minutes ago

Now I am thoroughly confused. How can a mount know where it is pointing to if it doesn't have encoders?

That being said, I am always seeing my Atlas Pro mount, which I gather is essentially an HEQ6, being off target by 2-3 degrees upon the first slew and then again after a meridian flip, whereas my low end iOptron SmartEQPro+ always nails the intended target almost exactly on the first try. I have the suspicion that one of my settings on the Atlas Pro is off, but can't figure out which one that is supposed to be.

Perhaps someone can weigh in on that.

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Jose Corazon replied to the topic 'Re:Plate solving issue in EKOS' in the forum. 6 days ago

knro wrote:

Sorry, I just don't get it. Here are the two screenshots from my Pi3 and from my Zotac mini-PC, both shut down this morning at the same time, both started back up tonight at the same time, both showing Kstars. The Pi3 shows the time from this morning,


Oh that's not a pause problem then. Is RPI3 connected to the net? RPI does not an onboard clock, so it needs to sync with out an outside time source (e.g. NTP server).


Jasem, that cannot be entirely correct. When you are looking at the screenshot I had provided, you can see that the system clock of the Pi3 (upper right corner) was displaying the correct local time, i.e. 1835 h or 6.35 PM, whereas Kstars was showing 8.56 AM, which was the time the system had been shut down in the morning. So Kstars did not synchronize with the system time on the Pi3.

HOWEVER!

You put your finger on the problem: For whatever reasons I no longer remember, I had set Date and Time on that Pi3 to Manual. In fact, the Pi3 kept the actual time remarkably well, it must have a very precise onboard clock, because I never noticed any deviation from actual time, although no NTP server connections were activated. When I set Date and Time to interrogate the NTP servers and then restarted Kstars, now the correct time (minus ~30 seconds) was being displayed by Kstars!

IMO that means that Kstars upon startup is not synchronizing with system time, but with NTP servers specified in the Date and Time Module. If that is, however, set to Manual, it falls back to its previous shutdown time. However, when I now go to Time > Set Time to Now, Kstars will synchronize with System Time. Note, that the Pi3 WAS connected to the internet the entire time, so Kstars will not independently call up the NTP servers, it apparently tries to do that through the Date and Time Module and if that is set to Manual....

Interestingly, Kstars fails to set the correct time ONLY after a reboot, not if I quit Kstars and the restart it after some period while the Pi3 is still running.

I would not have thought of those contingencies in a million years. Is it straightforward to change that in Kstars so upon startup Kstars synchronizes to system time, not internet time?

Another quirk I noticed and mentioned above is that the Kstars time always lags behind system time by about 30" after it starts up.



Thus, there is a lag introduced by the time the time is first determined, the time span required for the software load, and when it begins to display the initially determined time via the Kstars internal clock. To get rid of that lag, one has to manually go to Time > Set Time to Now, which then cuts the lag down to ~ 1-2 seconds.

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Jose Corazon replied to the topic 'Re:RE: Re:Perfecting the Scheduler' in the forum. 6 days ago

"Sorry from the log I don't see what the problem could be. However, because I've been hit by that issue yesterday, check that it's not the same CCD that is used for guiding and capturing."

That's not the problem. Also, that would have manifested itself earlier, since with the guide cam guiding the capture module would have reported that an exposure was already in progress. However, in my case it would count down the entire 120" of the exposure and then just hang trying to display the image in the FITS viewer and never progressing to the next exposure from there.

I still need to check whether the Pi3 simply got overloaded and ran out of memory. I did not see it utilize the Swap space, so there could have been a problem with that. Unfortunately, this will now have to wait for 3 weeks as I am going out of town today. But many thanks for the improvements you have made on the scheduler already. It now runs flawlessly for an entire night on multiple targets with tracking, focusing, solving, guiding and flipping.

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Jose Corazon replied to the topic 'How to update telescope coordinates?' in the forum. 6 days ago

www.indilib.org/forum/ekos/3290-plate-so....html?start=24#25262

Look at this comment from Jasem. It shows the relevant screen shots and stresses the importance of having he Park position correct.
I can only attest to that. If your park position is wrong, your telescope may start ploughing the ground around your tripod. No telling where it will slew to.

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Jose Corazon replied to the topic 'Re:Plate solving issue in EKOS' in the forum. 6 days ago

Sorry, I just don't get it. Here are the two screenshot from my Pi3 and from my Zotac mini-PC, both shut down this morning at the same time, both started back up tonight at the same time, both showing Kstars. The Pi3 shows the time from this morning,



the Zotac this evening's.



In neither case is the Pause button in the main menu activated.

Where is that Pause button you are referring to?

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Jose Corazon replied to the topic 'Re:Plate solving issue in EKOS' in the forum. 7 days ago

I will gladly work with you to bring this debilitating syndrome to the attention of the medical community at large. In fact, we should write a paper about it and Nature seems to be the appropriate forum for this.
But I am concerned that the reviewers will ask us to be more specific on the methodology of the therapeutic approach.
So, where is this pause/unpause button???
I am prepared to sacrifice myself and be the guinea pig.
Just point me in the right direction.

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Jose Corazon replied to the topic 'Re:Plate solving issue in EKOS' in the forum. 7 days ago

Along the same lines, an embarrassing question to Jasem, hope you are reading this:
I have an issue with one installation of a Pi3 where the time in Kstars never updates to the current time when I start it. System time is correct and current, but Kstars always shows the time and date when Kstars was shut down previously. That had made for some very interesting slewing in the past before I noticed this when my telescope was attempting to image its target at a 30 degree angle pointing into the ground.
This only affects one installation on one Pi3, I have another installation on another Pi3 and one on a mini-PC and the other two are always updating the time when Kstars is starting up on those machines.
There's got to be a checkbox somewhere that allows me to tell Kstars to interrogate the system time when it starts up, but for the life of me, I can't find it.

Anyone reading this who can help with that?

Jo

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Jose Corazon replied to the topic 'Re:Plate solving issue in EKOS' in the forum. 7 days ago

I can't check this right now, but as I recall, when you press the button with the globe on it a menu will come up where you enter your city (if you live in a major city) or your coordinates. That will then place you in the correct time zone.
For instance, for me the time zone is currently GMT-5, since daylight saving time is active, so for you that should be 7 hours later, i.e. GMT+2. Anyway, just enter your coordinates, set time via UTC>Now and make sure that the time shown in Kstars at the upper left side of the window is correct, otherwise set the time in the Menu to Now (provided your system time, i.e. the time your computer shows, is correct) and all should be fine.

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Jose Corazon replied to the topic 'Re:Plate solving issue in EKOS' in the forum. 7 days ago

TallFurryMan wrote: Welcome to the club of automated scope owners whom still go to sleep at 1am because there remains that oh so small issue that gets in the way of automation after ten minutes of processing :) :)

-Eric


Sorry to disappoint you, Eric! You and Jasem have done such a great job with the scheduler, it now works flawlessly, at least for me. I literally now just start it, make sure it starts imaging and correctly saves my first target with all the settings I intended and then I go to sleep, not 1 am, but 10 pm!!

Seriously, for the last few nights since you put in your last tweaks (build from 4-11-2018) it has been running through its sequence, no more early aborts, focusing, aligning, guiding, all totally flawless.
If I find any residual snags (with the exception of the minor issue related to the in sequence focus evaluations in the capture module), I'll let you know, but so far it looks great!

Thanks again!

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Jose Corazon replied to the topic 'Re:Perfecting the Scheduler' in the forum. 7 days ago

I installed the nightly build



and all went fine including focusing and guiding until the scheduler began to capture. That resulted in repeated crashes of the camera.
Log attached.
A caveat is that I ran this on a Pi3, not my mini-PC, which has 4x the amount of RAM.
Thoughts?

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Jose Corazon replied to the topic 'Re:Perfecting the Scheduler' in the forum. 1 week ago

Cloning my system to a new SD card now so I can implement the nightly build as a fresh install. Not sure it will work out tonight, though, it is cloudy anyway.

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