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adam grzesik replied to the topic 'CCD Camera Qsi' in the forum. 2 hours 57 minutes ago

Thank you


Jasem Mutlaq replied to the topic 'CCD Camera Qsi' in the forum. 6 hours 48 minutes ago

Fixed today in GIT.


Jasem Mutlaq replied to the topic 'Guiding does not work' in the forum. 6 hours 49 minutes ago

Also make sure the mount is tracking before you start guiding. To know whether your mount is tracking or not, go to mount tab or open mount control panel, and check if the mount's RA/DE values are static or they change. If they change with time, then your mount is NOT tracking.


Jasem Mutlaq thanked Ferrante Enriques in topic Guiding does not work 6 hours 51 minutes ago
Jasem Mutlaq thanked Derek in topic SQM-LU driver 6 hours 52 minutes ago
Jasem Mutlaq replied to the topic 'Advice on controlling DSS-7 Spectrometer' in the forum. 7 hours 42 minutes ago

Given you have access to the equipment, why don't you try to customize the driver to support this? If you have any issues with any development details, let me know!


Jasem Mutlaq replied to the topic 'Mosaic job creator handles negative rotations as positive' in the forum. 7 hours 54 minutes ago

I found issue causing this. The position angle of the target displayed within the mosaic window wasn't 0 E of N and so the rotation wasn't correct. I have a temporary "fix" for this, but I'd like to work on a better approach and will work on it in the upcoming weeks. Thanks for the report!


Wolfgang Birkfellner replied to the topic 'Rpi DIY mount stepper control upgrade?' in the forum. 21 hours 29 minutes ago

Hi! No personal experience, just hearsay from an experienced friend:
- unhardened, stainless steel
- bearings should be massive from my gut feeling :)
Yours wolfi


Derek replied to the topic 'SQM-LU driver' in the forum. 22 hours 9 minutes ago

For anyone following, I just raised a PR to add USB connectivity.
Feedback & testing welcome..


Jasem Mutlaq replied to the topic 'Celestron NexStar Evolution Mount + Python + Raspberry Pi' in the forum. 22 hours 28 minutes ago

The manual says it can be in Access Mode (aka hotspot) or you can join it to your WiFi network. So the IP depends on how you connect it. There is no information on the port used, you have to ask Celestron or find it from another source.


Ilia replied to the topic 'Custom driver for unidimensional fluxes (radio/photons)' in the forum. 22 hours 50 minutes ago

Yes! I also tried to build an optical intensity interferometer but got stuck on timing issues.
Please allow some time to add at least some receiver, initially I'd add radio receiver, mostly due to transfer bottlenecks and timing limitations. After some radio receiver photon detectors could be added.
Regarding this project, it's a common dream for interferometry passionates I think, Hanbury Brown had this dream probably, and others still too. I think that LibINDI is the right place where to start. Somebody should start a thread here where to discuss about this, and RTL-SDR receiver could be of much help here, since of their versatility and wide range. If nobody will propose a driver for these I'll do it.
There is already a project named OpenVLBA , we'd have to contact the author and propose him to bring that project INDI compliant.


Thanks a lot.
Your previous reply was really helpful. I can use Python code for the simulation drivers.

Now I have some other issues.
How can I find the IP address and port of the mount? I checked the specifications and datasheet. It gives no clue about it.

The mount I am using came as a part of the following setup:


Guillem created a new topic ' Mosaic job creator handles negative rotations as positive' in the forum. yesterday

Hi. I may be wrong here, but if you introduce a negative angle in the Mosaic job creator UI, in the "rotation" field under "1. Equipment", it is handled as positive, i. e. -33 is handled as +33.

The solver reports my rotation as -22 but this (see attachment 1) is what I got after running the mosaic job (quick composition with ds9 using wcs data from the resulting fits files). As you can see, the rotation of the individual frames is different from the whole mosaic. I am guessing that the problem comes from the mosaic job creator ignoring the negative angle.

Also, a couple of minor things.
- On the right, the display of the mosaic and the objects is a bit buggy. Ofter, it leaves out parts of the mosaic, the object, etc (see attachment 2).
- The "tab" order of the "rotation" field is wrong, it should come after "Pixel size - H" but comes after "overlap" in "FOV".



Radek Kaczorek replied to the topic 'Custom driver for unidimensional fluxes (radio/photons)' in the forum. yesterday

The rationale to high time resolution comes from my understanding of photon interferometry. To the best of my knowledge it must be time bound. Indeed it gets critical in long distances so I might be wrong in expecting that much... Anyway thanks for the hints.

BTW. I believe that VLBI as a social/croud sourced project is great idea. I have considered it some time ago but do not have enough time to follow up on this.


Chris Duston replied to the topic 'Advice on controlling DSS-7 Spectrometer' in the forum. yesterday

Ok so the three modes we want to have access to are

Position Mode: YMINUS, XMINUS (no slit, no grating)
View Slit Mode: YPLUS, XMINUS (slit, no grating)
Take Spectrum Mode: YPLUS, XPLUS (slit, grating)

In principle, "Position Mode" should include some kind of repeated image-taking, like a "focus" mode, but I think that's easy to have enabled anyway.

So is this something you could easily add, or something I should try to develop myself?

I very much appreciate your attention to this, by the way.



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