leclerc created a new topic ' Nextar hand controller reverse engineering' in the forum. 1 month ago

I'd like to share with you my work around my Celestron Advanced GT mount and its Nexstar hand controller.
This is on old one with firmware version 4.21.

I simply heard communication between my laptop and the Nexstar by playing the man in the middle. I used all buttons on the controller, NexRemote software and PEC software and here is the final result, a spreadsheet.

I'm not a programmer, and I will take ages to modifiy the actual driver but it will be great to add new features to Celestron driver.

Of course, I will be glad to help for it.

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leclerc thanked Jasem Mutlaq in topic Sadr Mosaic 1 month ago
leclerc replied to the topic 'kstars installation broken in mint19' in the forum. 1 month ago

From PPA daily build.

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leclerc created a new topic ' kstars installation broken in mint19' in the forum. 1 month ago

I installed kstars on a fresh mint 19. Starting Kstars displayed this message like in this old post

The file citydb.sqlite could not be found. KStars cannot run properly without this file. KStars searches for this file in following locations:

/home/yourhome/.local/share/kstars
/usr/share/xfce4/kstars
/usr/local/share/kstars
/usr/share/kstars

It appears that your setup is broken.


Solved the above problem with
sudo apt-get install libqt5sql5-sqlite
like described in this post [/b]

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Teseo thanked leclerc in topic CPC800 Nexstar and Hibernation 4 months ago
leclerc replied to the topic 'CPC800 Nexstar and Hibernation' in the forum. 4 months ago

The answer is simple, with a nexstar remote you can't. The last driver published for this handcontroller is 4.21. This function was added with the Nexstar+
The trick is to use celestron remote handcontroler which emule the hand controller. It works fine with wine and linux.

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leclerc thanked Jasem Mutlaq in topic KStars v2.9.6 is Released 4 months ago
Eric thanked leclerc in topic Got no stars is gsc installed error 6 months ago
leclerc thanked Derek in topic Cloud cover cameras 6 months ago
leclerc replied to the topic 'Stellarium 0.17.0 now with INDI !' in the forum. 9 months ago

Excellent. I checked it with the telescope simulator. It works perfectly.

Now we have access to kstars and stellarium object database. Awesome.

Thank you.

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leclerc replied to the topic 'Failed to retrive firmware information.' in the forum. 10 months ago

Quick test here and same procedure as describe by pcxz. Finish always with a crash of kstars.

Here are the logs :

2017-11-26T16:43:34: [INFO] Device configuration saved.
2017-11-26T16:43:34: [INFO] Saving device configuration...
2017-11-26T16:43:34: [INFO] Device configuration applied.
2017-11-26T16:43:34: [INFO] Loading device configuration...
2017-11-26T16:43:33: [INFO] Mount UTC offset is 1.00. UTC time is 2017-11-25T01:10:22
2017-11-26T16:43:33: [INFO] Mount is unparked.
2017-11-26T16:43:33: [WARNING] Failed to retrive firmware information.
2017-11-26T16:43:33: [ERROR] Timeout error
2017-11-26T16:43:28: [INFO] Controller version: 4.21
2017-11-26T16:43:28: [INFO] Celestron NexStar is online.

File Attachment:

File Name: log_17-38-00.txt.zip
File Size: 4 KB


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leclerc replied to the topic 'Failed to retrive firmware information.' in the forum. 10 months ago

I have the same issue with my Celestron CG5 mount.

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