I have been successfully using KStars/EKOS on a Raspberry Pi 4 - 4GB RAM to control my current equipment for quite some time.
I currently use Astroberry installed on a SD card and everything is connected to the Pi (I use a very old laptop running Lubuntu to remotely access the Pi with VNC Viewer, since the laptop itself is uncapable of running anything...).
Before jumping to Linux, I managed to make some astrophotography software work under Windows XP with the laptop, but I could never get it to control the camera. Rather than buying a whole new laptop, I decided to give the Rapsberry Pi a try and I have to say I am very satisfied with the performance. The only thing I miss is the fact that with EQMod under Windows I could use PEC, and KStars/EKOS only support it for Permanent PEC capable mounts...
Currently my setup is as follows:
Mount: Sky-Watcher NEQ6 Pro
Imaging camera: Nikon D5300 Astromodified
Joystick for fine tuning the framing
Astrometry for plate solving
So far I only used some Nikon lenses that I already owned from my every day photography (70-300mm, 50mm) for my astro-imaging, but I am in the process of acquiring some new gear:
Telescope: Tecnosky Triplet Apo SLD FPL-53 80mm f/6 V2 with 0.8x flattener/reducer
Guide scope: Tecnosky SharpGuide 60mm f/4
Guide camera: ?
I am pretty sure about the choices of telescope and guide scope (unless anyone has any advice to give on that same price range: the telescope plus reducer is under 1000 Euro, which seems to me as an awesome deal), but I would like some advice on the guide camera.
As I wrote on the title, the purpose of this thread is not deciding which camera is best between QHY and ZWO (as far as I understood, they are basically the same, if we consider the entry level guide cameras).
The purpose of this thread is deciding which one to buy with the following considerations in mind:
1) I would like for the camera to work with my current setup, under KStars/EKOS, with pulse-guiding (as far as I know it's better than ST4), connecting it to the Raspberry Pi 4 (if I need to purchase a powered USB Hub, it's ok - so far all the equipment that is attached to the Pi has its own power supply)
2) I would also like for the camera to work both with EKOS internal guiding and PHD2 as an external guider for EKOS, just to have the option of testing which method gives me the best results
3) It has to be relatively cheap
4) I would like for the camera to be "future proof": I also own a very old Celestron C8 (it's been with me since 1997), so once I manage to get the "easier" setup working (80mm imaging scope + 60mm guide scope), I would love if the camera could work also in an OAG setup with the C8 (so I would just need to buy an off-axis guider and possibly a reducer, instead of buying yet another guide camera)
5) Last, but not least, I would like if the camera could work also if one day I decided to upgrade from the DSLR to a dedicated astro-camera (I read on the INDI Forum of a lot of people having troubles running two same brands cameras at the same time, one for guiding and one for imaging)
So far my choices of guide cameras are:
-ZWO ASI 120MM Mini (Mono)
Any other suggestions, in the same price range of the above mentioned, are welcome!
Also, for the refractor/guide scope setup I mentioned, would the color versions of those cameras be sufficient for guiding, so they could also serve as planetary imaging cameras? With an f/4 guide scope I shouldn't have any problem finding guide stars, correct? But probably they would not be good enough for the OAG and the C8...
I have read a lot of posts in this forum concerning the two cameras of choice and I have read of many people having troubles with both (expecially with drivers, even under Windows...).
I have also read of a lot of people having troubles with some versions of the 120MM (the Mini or the -S, I am not really sure) and Linux/Raspberry.
I don't know if the problems have since been solved, with the latest versions of KStars/EKOS, so any help is appreciated, expecially from people that have a working Raspberry setup with those cameras.
Since, as we all know, astrophotography is an expensive hobby/passion, I would like to make the right choice and be sure that the camera I will buy will be fully compatible with the hardware/software I am using.
I am sorry if these questions have been asked before, but as I said, I would like to buy something and not have any bad surprises along the way!
Thank you all for your help and clear skies!