Jose Corazon replied to the topic 'image not displayed on summary screen' in the forum. 2 days ago

A you running on "Limited Resources" mode?

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Jose Corazon replied to the topic 'Scheduler - Exposure past start-up time on ASAP setting' in the forum. 2 weeks ago

TallFurryMan wrote: I found a situation where the Scheduler might get hung doing nothing after a capture. I don't know if that could be what you experienced.

There is a "funny" bug, registered as bugs.kde.org/show_bug.cgi?id=398301 , which makes all your captures attempts slew to the wall source position when you configure that option in the calibration pop-up for flat captures. The problem is that once this calibration option is set, it is saved with the sequence file, so it's very easy to unknowingly copy-paste the setting everywhere. If you don't readily spot it, this is disastrous for captures, of course.

In that situation, the Capture module doesn't send the notification of the end of the capture to the Scheduler, which hangs.




Interesting! Not sure this applies to me, I did not use the wall setting in the calibration file, however, I told the mount through KStars (not through the Flat calibration setting in the capture module) to slew to a region close to the Zenith while there was still daylight during early dusk and that's where I tried to take the flats.

I used the same 'Flats.esq' file I had set up there the next day and the flats still hang.

The problem was gone when I used the new nightly build as Jasem had suggested, but I also generated a new 'Flats.esq' file.

Would that trigger the same bug?

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Jose Corazon replied to the topic 'Taking time off' in the forum. 2 weeks ago

knro wrote: Hello everyone,

Yesterday, I was devastated to the loss of my two dogs. We've been together for years and I love them immensely. Unfortunately, they were lost yesterday due to heat stroke because of high humidity along with playing & exercise which turned out to be a deadly combination. Guilt overcame me and my heart was torn to see Juli & Tommy depart this world right in front of my eyes. I felt so helpless. There are no words to describe my attachment to them. A candle in my life is forever dark now.



I need time to grieve and recover so I am taking sometime off. Hopefully not too long. I appreciate your understanding of this matter. I hope no one goes through this pain. Rest in Peace my angels.


Dear Jasem,

For whatever it is worth, I know exactly how you are feeling.

The worst thing I had to do was having to take my dog to the vet to put her to sleep. She had terminal kidney failure and I had dragged out the inevitable until it became unbearable to see her suffer any more. I felt like a murderer for days afterwards and the pain is coming back now that I am writing this.



Like your dogs, she liked to play and was unstoppable even the deep of summer. She was close to a fatal heat stroke more than once, because she did not want to give up chasing balls or frisbees. On more than one occasion she collapsed and I had to douse her with water in an emergency situation. The lack of sweat glands clearly puts dogs at an evolutionary disadvantage in hot climates like ours.

You will never forget your companions, but take comfort now in the fact that the pain will subside with time.

Best wishes,

Jo

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Jose Corazon replied to the topic 'Has anyone gotten the iOptron SmartEq Pro+ to guide reliably?' in the forum. 2 weeks ago

That's almost the identical setup I am using, except for an ASI120MM-S (USB3) version of the guidecam and that I am using Ubuntu MATE on the Pi3 instead of Raspbian. Also, is yours an EQ Pro or a Pro+?
Are you using the internal guider? At what settings? And what driver are you using for the mount? I found that the SmartEQPro driver is not working for my Pro+, I have to use the CEM60 driver. That could be the key difference, since guiding works with PhD2, just not the internal guider.

Thanks for responding, this is very encouraging!

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Jose Corazon replied to the topic 'Polar alignment when you can't see Polaris' in the forum. 2 weeks ago

albeltrang73 wrote: Hi Jo

That’s a very good suggestion.

In fact I have a wide FOV because I use hyperstar with a C925 EdgeHD and a DSLR, so I can have several degrees of sky covered in one shot.

The issue is that Polaris is very low here, at roughly 5 degrees above the horizon and isn’t always seen because of clouds. Besides, I suspect the apparent position of the refracted pole would cause alignment errors.

That’s why I prefer an alignment method that doesn’t require direct watching Polaris, if possible.

Alfredo



Clouds are indeed a problem. Otherwise it should not matter whether you see Polaris or not, as long as you see other circumpolar stars and the solver can recognize them.

It may work with a normal 50mm lens on a DSLR mounted to your dovetail. Generally, the closer your chosen alignment star is to the pole the smaller the alignment error should be in the end because of the earth's rotation between measurements and mount adjustments. The largest error would result if you measure near the Zenith in your case.

Does that make sense?

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Jose Corazon replied to the topic 'Polar alignment when you can't see Polaris' in the forum. 2 weeks ago

albeltrang73 wrote: Hi

I just saw Ekos and K-Stars and find it to be a very powerful suite for astrophotography. For several years I've been using Sequence Generator Pro in Windows 10 and Ekos seems to be a strong performer as well, with the added benefit of being cross-platform. You can see my gallery here, including one image awarded as Astronomy Magazine Picture fo the Day: www.flickr.com/photos/alfredo_beltran/

I'm located at Bogotá, Colombia at 4.8 degrees north latitude and it's hard to be able to see Polaris from here (sometimes you can). I watched the video of the Ekos polar alignment assistant tool and it makes very easy to have a strong polar alignment as long as you can see Polaris.

Can this assistant be used to polar align your mount when you cannot see Polaris?

Thank you very much for your help,

Alfredo


Maybe I am wrong here, but I think if you are using a wide angle camera like the QHY polemaster (11x8 degrees) and just point it towards the North Pole you should catch enough cricumpolar stars to allow polar alignment with the polar alignment tool in Ekos. Only if you have a narrow field and bad visibility you probably might still have problems.

Let me know fhat makes sense. As long as the solver can find something, the alignment tool should work, I would think.

Jo

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Jose Corazon created a new topic ' Has anyone gotten the iOptron SmartEq Pro+ to guide reliably?' in the forum. 2 weeks ago

I can't get the iOptron Smart EQ Pro+ mount to guide within reasonable tolerances with the internal guider.

With PhD2 it works.... kind of.

Not great, really, but at least I can keep the total RMS below 2.5 ". Not with the internal guider. That goes all over the place and constantly loses the guide star. The resulting frames look like a masterpiece by a seriously inebriated Picasso, but not like an astro photograph.

When I usePhD2 to guide within Ekos instead of the internal guider, KStars crashes after 1 or 2 frames. PhD2 works standalone, i.e. not integrated into Ekos, but that means that I would have to babysit the mount all night.

This is all happening on a Pi3, have not yet tried it on a mini PC, but the entire point of the exercise is anyway that I need this to work on a Pi for field deployment because of the lower power consumption of the Pi.

Any ideas on how this could be fixed?

Thanks,

Jo

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Jose Corazon replied to the topic 'Flats not capturing???' in the forum. 2 weeks ago

knro wrote: Please check nightly and report back.


Seems to be working fine now with the nightly version I installed this morning.


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Jose Corazon replied to the topic 'Libre Computer AML-S905X-CC (Le Potato)' in the forum. 2 weeks ago

knro wrote: No idea. You can try to compile KStars on it yourself. So both the PPA version and Ubuntu Mate versions of KStars crash?


Yes, tried all variations, including purging the PPA version.
This is the error report I am getting.


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Jose Corazon replied to the topic 'Libre Computer AML-S905X-CC (Le Potato)' in the forum. 2 weeks ago

wvreeven wrote: Do you get some sensible info when you start KStars from the command line? Perhaps it prints some info that can help you debug this situation.


A ton!

This may be the most useful. There are unresolved dependencies due to some older versions of lib*s.


I could not find a way of copying the text within the crash report. My suspicion is, the developers of that board have compiled a buggy version of Ubuntu and KStars is not compatible with it.

But I am not a programmer. That will have to wait until my retirement.... Whenever that is going to be.

In the year 2525, perhaps....?

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Jose Corazon created a new topic ' Libre Computer AML-S905X-CC (Le Potato)' in the forum. 2 weeks ago

I have been looking for a SBC with more memory than the Pi3 and came across this one:

libre.computer/products/boards/aml-s905x-cc/

I can install Ubuntu Mate 18.04 on it and KStars and Indi installation proceeds without errors, but when I start KStars, it fails with a Segmentation fault. Otherwise, the little machine works fine, in fact, I am right now writing this comment on it.

Has anyone come across this and found a solution?

Jo

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Jose Corazon replied to the topic 'ASI 120MM no longer working' in the forum. 2 weeks ago

klaus wrote: The cam has already been flashed (well, quite a while ago) and worked until some weeks ago. Yesterday I used it again and ... no image. I'll give a new flash a try. Perhaps the new SDK makes it necessary. Thanks.


Remember to flash it with the xxx-compatible.icc version. The other one (without the -compatible in the filename) will not work.

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Jose Corazon replied to the topic 'Re:Scheduler - Exposure past start-up time on ASAP setting' in the forum. 3 weeks ago

TallFurryMan wrote: Thanks for all these reports!

Currently twilight distance is fixed. I plan to allow customisation for high latitude observers and for narrowband imagers. It will also avoid using tricks like you did, only to end up bitten by another condition that did or dit not trigger.

When two jobs are too far away, the scheduler is supposed to either wait or park the setup. In your situation you said that the scheduler was waiting for the next night. Was it waiting because more frames remained to be captured? I now expect the scheduler to abort, then reschedule the job to the next night. Then you said that the scheduler entered a wait state. It was "sleeping"? If you enable "Preemptive Shutdown", the scheduler parks the setup if the next job is far away. If not, it lets the setup unmodified and just waits. Note that this second behavior will be changed soon so that scheduler stops the mount movement while it is waiting. For obvious security reasons, the scheduler should also shutdown the observatory in a few situations.

Thanks for reporting the filter issue too, we'll check that behavior.

-Eric



"Was it waiting because more frames remained to be captured?"

No, the run was finished, it reported 'Complete", but it did not enter shutdown mode and failed to park on its own. The mount kept on tracking the object.

It was not a big deal, since I was awake anyway and manually shut everything down, and the previous night the shutdown sequence worked just fine when the twilight box was checked. As I wrote, a relatively minor issue.

When it comes to tricks, I have a whole bag full of those|

:)

Thanks for everything you are doing here, Eric!

I'll just keep reporting what I find.

Jo

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Jose Corazon replied to the topic 'Shoestring FCUSB on Mac' in the forum. 3 weeks ago

Where did you create the symlink and what does it look like?

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