Rob Lancaster replied to the topic 'Can anyone share Pictures of a RasPi astro setup' in the forum. yesterday

I am planning to do a presentation to some students at the University of Delaware in January about KStars/Ekos etc. So I could benefit from some photos and other resources as well.

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Rob Lancaster replied to the topic 'Can anyone share Pictures of a RasPi astro setup' in the forum. yesterday

Here you go, I already posted them in a separate thread. www.indilib.org/forum/embedded-indi/2772...erry-pi-3-setup.html

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Rob Lancaster replied to the topic 'My Raspberry Pi 3 Setup' in the forum. yesterday

Here is one image of my scope in action.



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Rob Lancaster replied to the topic 'Working on PHD2 support' in the forum. 2 days ago

gbeaton wrote:

rlancaste wrote: So the work that I did this last weekend should help some with the bandwidth issues. Basically I set it up so that it gets a very small image from PHD2 of just the star it is currently guiding on, so the whole image download is not necessary. More important the image download to the client is not important for the actual guiding, it is just a request and if it doesn't transfer, it doesn't actually affect guiding. PHD2 is handling all the guiding and so whether or not the image gets updated in Ekos is not relevant to the actual guiding. Another point is that if you want, you can use a camera on PHD2 that is not connected to INDI if you like and PHD2 will still send the guiding information for the graphs and the star image back to Ekos for display. I found in my experimenting that using a non-INDI camera and/or a camera not connected to Ekos actually allows for faster guiding since it doesn't have to transfer the file back to the client at all.


In Ekos, after using it for polar alignment, I disconnect the guiding camera and have PHD2 connect to it only. This should prevent any traffic from it over the remote connection.


Yes, this is what I mean. That's how I did my tests I posted here. I either removed the guider from the profile in Ekos or I went one step forward and made it not served by INDI at all. The PHD2 star images, graphs, and guiding results I implemented in the last week will come through with or without the guide camera being connected.

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Stephen thanked Rob Lancaster in topic Working on PHD2 support 3 days ago
Rob Lancaster replied to the topic 'Working on PHD2 support' in the forum. 3 days ago

I did a whole bunch of PHD2 stuff today which is currently undergoing testing and should make it into KStars soon. i got the RMS error calculated correctly and the error properly scaled because I implemented a function to get the PHD pixel scale. I also further improved the image work I did before to make it more reliable. I did a bunch of other things under the hood that will make it easier to add more stuff later.

Here is a preview of things to come shortly!




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Rob Lancaster replied to the topic 'Another NOOB question' in the forum. 3 days ago

Yes, the cheap controller will be fine. Connect the controller via usb and connect that to the moonlite. I have mine velcroed onto the scope.

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Rob Lancaster replied to the topic 'multiple simultaneous mounts support' in the forum. 3 days ago

While it is true that KStars can be connected to multiple mounts and cameras simultaneously, Ekos really only supports one imaging session with one mount and camera set at a time.

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Rob Lancaster replied to the topic 'Working on PHD2 support' in the forum. 3 days ago

So the work that I did this last weekend should help some with the bandwidth issues. Basically I set it up so that it gets a very small image from PHD2 of just the star it is currently guiding on, so the whole image download is not necessary. More important the image download to the client is not important for the actual guiding, it is just a request and if it doesn't transfer, it doesn't actually affect guiding. PHD2 is handling all the guiding and so whether or not the image gets updated in Ekos is not relevant to the actual guiding. Another point is that if you want, you can use a camera on PHD2 that is not connected to INDI if you like and PHD2 will still send the guiding information for the graphs and the star image back to Ekos for display. I found in my experimenting that using a non-INDI camera and/or a camera not connected to Ekos actually allows for faster guiding since it doesn't have to transfer the file back to the client at all.

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Jim thanked Rob Lancaster in topic Working on PHD2 support 4 days ago
Stephen thanked Rob Lancaster in topic Working on PHD2 support 4 days ago
Rob Lancaster created a new topic ' Working on PHD2 support' in the forum. 4 days ago

About 2 weeks ago, I found that using PHD2 running on my Raspberry Pi was giving better results than trying to guide over the network using Ekos. I think a number of people probably do that already as I have seen it in the forums quite a bit. The reason it gives better results is probably in large part due to network communication speed, but I don't know exactly. Regardless, there is support in Ekos for controlling PHD2 remotely during your imaging session. Anotherwords, the remote computer (the PI) is running PHD2, and Ekos running on the local computer is giving it some commands like telling it to start guiding, dither, connect devices, etc. Ekos already supports this.

The biggest drawback to this method was that there was reduced information available in Ekos from the external program. I decided to tackle this problem. A few days ago, I found that Ekos was already getting enough information to display the guide errors and the graphs, it just needed some minor correction to get the information displayed. I worked with Jasem to correct this issue. On Friday, I decided to see if I could get the guide star image PHD2 reports to display in Ekos, since it would be nice to be able to monitor the star it is trying to guide on. After a number of hours over the last couple of days, I finally got that mostly working. There are just a couple of other PHD2 items that I plan to work on the next couple of days, and then PHD2 remote support should be a lot more useful!

Hopefully this helps more people than just me. Just a couple of more days and I should be able to work out the other issues.

Here is what I have working so far:




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