I bought a CEM40G just a couple weeks ago.

Initially, I tried it with Stellarmate 64bit. That worked for a while but then all of a sudden some usb devices stooped to be recognized.
I didn't investigate long enough and switched to 32bit.
All works well under 32bit Stellarmate.

Updated to SM 1.7.1 a couple of days ago - all works well (mount, 2 ZWO cameras, EAF)
iGuider gets recognized and connects but cannot be used (bad driver).

Jasem: is there a plan to fix the iGuider situation eventually?

Thanks!

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I've been using a pretty old third-or-fourth-hand HEQ5 (not modified) for about two and a half years now.
Was pretty happy with its performance until I switched from 432mm AT72EDII to 1370mm RC6.
Without a reducer at native 1370mm, the guiding was often not good enough with HEQ5.

I just acquired a barely used CEM40G to replace the HEQ5.
Like it so far.
It's actually quite hefty - just a little lighter than HEQ5. But the allowed payload is almost 50% more.
The guiding is great. Over two nights in my Bortle 8 yard I am getting 0.4-0.6" RMS total (as opposed to 0.8-1.2" with HEQ5).
(guiding with ZWO 30F4 scope and ASI120MM-mini)
I think I am going to keep the CEM.

There's a gripe about the CEM, though.
That's iPolar and iGuider.
These two things add about $500 to the price of the mount but do not work under INDI/Ekos.
iPolar I don't care much - it's redundant these days. Shame on iOptron. I would rather had a regular/optical polar scope or none at all.
iGuider - I really wish it worked in INDI/Ekos environment. Really. Please fix it. Thank you.

Thanks!

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if I boot with the mount physically disconnected - both ZWO cameras and EAF are visible and connect.
if I boot with the mount physically connected - only the mount connects, no ZWO.
oh... iPolar and iGuider do connect (but I don't intend to use them at this time).

I had a similar issue a while ago with my HEQ5 and an EQDir cable based on a Cypress chip.
Once I switched to a different (Prolific?) cable the issue was gone.

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lsusb:

Bus 002 Device 005: ID 03c3:260a ZWO ASI2600MC Pro
Bus 002 Device 006: ID 0781:5583 SanDisk Corp. Ultra Fit
Bus 002 Device 004: ID 05e3:0616 Genesys Logic, Inc. hub
Bus 002 Device 003: ID 05e3:0616 Genesys Logic, Inc. hub
Bus 002 Device 002: ID 0781:5583 SanDisk Corp. Ultra Fit
Bus 002 Device 001: ID 1d6b:0003 Linux Foundation 3.0 root hub
Bus 001 Device 009: ID 03c3:120c ZWO ASI120MM Mini
Bus 001 Device 007: ID 03c3:1f10 ZW0 ZWO EFF
Bus 001 Device 005: ID 04b4:6572 Cypress Semiconductor Corp. Unprogrammed CY7C65642 hub
Bus 001 Device 011: ID 0403:6015 Future Technology Devices International, Ltd Bridge(I2C/SPI/UART/FIFO)
Bus 001 Device 010: ID 1233:1455 Denver Electronics iOptron iPolar
Bus 001 Device 008: ID 0130:1466 iOptron iGuider iOptron iGuider
Bus 001 Device 006: ID 1a40:0101 Terminus Technology Inc. Hub
Bus 001 Device 004: ID 05e3:0610 Genesys Logic, Inc. Hub
Bus 001 Device 003: ID 05e3:0610 Genesys Logic, Inc. Hub
Bus 001 Device 002: ID 2109:3431 VIA Labs, Inc. Hub
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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Something strange is going on with 64-bit.
Worked fine until today.

Yesterday I came back from a dark site where everything (including SM 64-bit) worked great and without a single fault.

Today I continued testing/setting-up my new mount and SM 64-bit worked well for some time until after one of reboots....
After that it wouldn't connect to any ZWO device, it would connect only to the mount.
Tried two different sd cards (which worked just a short time ago) - same behavior...

Tried 32-bi version - all works.

I am puzzled.... : (

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Jasem - Is there any hope that it will eventually work?
Thanks!

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I got an CEM40G today.
The mount connects and working.
iPolar seems to be working too (iOptron iPolar driver)

iGuider doesn't really work.
iOptron iGuider driver sometimes works but acquisition is slow, timesout often and then stops working.
INDI Webcam (indi_webcam_ccd) - gives "Trying to connect to: /dev/video0, on device: video4linux2,v4l2 with 640x480 at 30 frames per second"
and doesn't work.

Does anyone knows ho to make the iGuider work?
Any help will be greatly appreciated!
Thanks!

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In my case, it didn't work until I applied the "chmod +rx /sys/bus/usb/devices/usb* in /etc/rc.local" hack.
Works just fine since then...

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No, I don't have a PPBA.

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maxthebuilder replied to the topic 'AZ GTI guiding' in the forum. 2 weeks ago

Your guiding looks pretty good for AZ-GTi! (to me)
Can't help you as my guiding is not better.
I myself got so frustrated with AZ-GTi's guiding (I used to use it with AT72EDII with or without a reducer) so I upgraded to RST-135 for travel.
Still happily using AZ-GTi with 180 mm and below, though. Usually without guiding / computer control. Just SynScan / SkySafari.

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