Sorry for my confusion but I was assuming that update and upgrade would involve the shift from debian buster to debian bullseye. This doesn't happen (thank goodness!) I just made a copy of my backup Astroberry 2.0.4 microSD card (fully loaded with platesolving files and equipment data etc) and performed sudo apt update and sudo apt upgrade on the copy. There were 56 packages upgraded but all the revisions of main OS packages were labeled 'oldstable' and the OS stayed with debian buster rather than moving on to bullseye. The upgraded version appears to be fully working.

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Just wondering if you need to use BerryBoot? Astroberry runs beautifully from my SSD copied on the RPi from the microSD card. Recent updates to the RaspberryPiOS have caused a lot of issues, and if you did a typical sudo apt update && sudo apt upgrade, you will have had a lot of these changes introduced into your software. I am sticking with the recently downloaded Astroberry 2.0.4 image, copied over to my SSD, and it seems wise to stay off-line and away from any updates until the ‘mess’ is sorted!

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The heat is well controlled by enclosing the RPi in a ‘Flirc’ metal case which has plenty of heat dispersing effect especially outdoors. I then mount it with its plastic bottom outwards to optimise the WiFi performance. There are people who fit an RTC, but this will require a higher clearance case, and a different approach to heat sinks. I used to attempt to use a GPS dongle to set the location and the clock time. I had problems with poor GPS reception and interference into the very low level satellite signals from the RPi’s own ‘digital noise’. These days I simply turn on the RPi, use VNC Viewer from my laptop, and set the date and time to match the laptop clock using the terminal command <sudo date -s ‘2021-10-21 21:10:50’>. I don’t need to change the geographical location very often but when I do go travelling I set the location from the data on my iPhone app ‘ScopeTools’. 
 

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Avocette replied to the topic 'M76 question' in the forum. 2 months ago

Your first image looks well out of focus - there are plenty of hot pixels that add confusion. The second image is also out of focus but looks fairly representative of what you might expect. If you were in focus you should find that the fainter details around the bright dumbell parts start to show up. 

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I’m not sure anyone can answer your question without sounding biased! However, you could (possibly) do worse than to run the Astroberry server package on your RPi4 and remote into it by browser or, as I do, VNC Viewer from my pc laptop and iPad. Plenty of forum posts on the Astroberry implementation. The latest revision 2.0.4 features KStars 3.5.5 and Indi 1.9.2 and is running well on my two AP kits.

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Avocette replied to the topic 'word 'nothing' on kstars' in the forum. 2 months ago

As far as I recall a target object label at the top right of the screen has been quite normal with KStars at least for the year or two since I’ve been using it. My laptop display is 16:9 and I notice that with KStars 3.5.5 (ie as provided by Astroberry 2.0.4) the label is no longer at the extreme right of my screen, but is closer to the centre (but not actually centred). It doesn’t trouble me, but I am curious if we can control its position….

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My guess is that Pegasus Astro would also be keen to buy direct from Prolific. 
By the way my other mount ( SW AZ/EQ5) has a built-in Prolific chip, and I can swap over the direct USB cable link to a Hitecastro USB to Serial cable. It turns out this cable also has a Prolific chip in it, and the only software change I need to make is to go from 115200 baud to 9600.

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I don’t know where I read it, but it seems there are some genuine Prolific PL2303s out there but a lot of fake ones….

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Of course it’s only the Windows implementation of VNC Viewer. The KSars/Ekos/Indi is all running under the Raspberry Pi OS version of Debian.

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I had a look at my installation to see if I could pin down what the latest version (3.5.5) of KStars offers. This is a screen shot showing the Indi control panel and the (serial) Device Port Selector screens.
 


The two serial devices are the Pegasus PPB with a Prolific chip and the EQMOD mount driven by a Lynx Astro USB to serial cable with an FTDI chip which these days seem to work happily enough together.
 

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