Jose Corazon shared a photo. 4 weeks ago
Jose Corazon replied to the topic 'Joystick input stops tracking' in the forum. 1 month ago

Yes, in my case at least.

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Jose Corazon replied to the topic 'Joystick input stops tracking' in the forum. 1 month ago

Along the same lines, I would like to use a joystick, or just the arrows on the keyboard, either way, to make small adjustments to the mount so that I can align the images from my primary imaging camera and my guide camera better for plate solving and planetary imaging. In short, I find it difficult to center and keep the planet on the imaging chip, since tracking frequently disengages when I use the mount control tab, and with the very narrow field (only 5'x7') the planet has already wandered off the FOV again by the time I manage to reengage tracking.

Is there a simple way to do this? If I do not use a high power Barlow, I can just plate solve for the planet and that works fine, but with my 5x Barlow the final FL is 8000mm at f40. Perhaps not too surprisingly, the solver has real problems with that.

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Jose Corazon replied to the topic 'Re:Twilight altitude setting' in the forum. 1 month ago

jpaana wrote: This would be very useful here in the north where at the moment we don't have astronomical darkness at all :) Also in some cases it might be useful to be able to start the job asap in the evening but still have twilight as abort condition in the morning.


I concur. At least there should be a choice in the scheduler to start and stop imaging at nautical twilight (i.e. -12 deg) and/or at astronomical darkness. For much of Northern Europe, the twilight setting would have no meaning otherwise for much of summer.

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Jose Corazon replied to the topic 'Re:Perfecting the Scheduler' in the forum. 2 months ago

Thanks, Eric! The scheduler already works really well as is, thanks to your and Jasem's efforts.

The priorities as I see them are:
#1 and of foremost importance by far: Ensure that no imaging time is wasted during a clear night!

That already can be achieved with the scheduler as is, as long as a series of backup jobs are scheduled. That, together with the ability to reevaluate virtually assures that every minute of darkness is used for photon collection, even though the targets may not be worked off in order of priority. During a clear night, the scheduler works very predictably, at least in my hands.
The other issues can be solved by scheduling the same target repeatedly with different priorities. That can take care of the passing cloud contingency.

At any rate, the scheduler is vastly improved over what it could do only a few weeks ago. By all means, take your time with adding the remaining tweaks.

And yes, the scheduler is THE killer app!

Jo

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Jose Corazon thanked Eric in topic Re:Perfecting the Scheduler 2 months ago
Jose Corazon replied to the topic 'Re:How to update telescope coordinates?' in the forum. 2 months 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 replied to the topic 'Re:How to update telescope coordinates?' in the forum. 2 months 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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Eric thanked Jose Corazon in topic Re:Plate solving issue in EKOS 2 months ago
Jose Corazon replied to the topic 'Re:Plate solving issue in EKOS' in the forum. 2 months 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. 2 months 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. 2 months 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. 2 months 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. 2 months 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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