Hi Aaron,

I'm setting up a second indi-allsky with an ASI 662 MC, unfortunately it reports :

Jun 22 01:01:25 allsky2 [INFO] MainProcess allsky._queueManualTasks() #2432: Checking for manually submitted tasks
Jun 22 01:01:25 allsky2 [INFO] MainProcess indi.getTelescopeRaDec() #840: Telescope Coord: RA 17.74, Dec 44.65
Jun 22 01:01:25 allsky2 [INFO] MainProcess indi.getCcdTemperature() #855: Sensor temperature: 31.0
Jun 22 01:01:24 allsky2 [INFO] MainProcess allsky.detectMoonMode() #1614: Moon altitude: -10:07:54.8, phase 13.1%
Jun 22 01:01:24 allsky2 [INFO] MainProcess allsky.detectNight() #1597: Sun altitude: -21:48:36.7
Jun 22 01:01:24 allsky2 [INFO] MainProcess allsky._startImageWorker() #780: Starting ImageWorker process 14
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception: 
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception: 
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception: cv2.error: OpenCV(4.7.0) /io/opencv/modules/core/src/matrix_iterator.cpp:71: error: (-215:Assertion failed) A.size == arrays[i0]->size in function 'init'
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:     adu = cv2.mean(src=data_mono, mask=self._adu_mask)[0]
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:   File "/home/pi/indi-allsky/indi_allsky/image.py", line 1946, in _calculate_8bit_adu
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:     return self._calculate_8bit_adu(i_ref)
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:   File "/home/pi/indi-allsky/indi_allsky/image.py", line 1932, in calculate_8bit_adu
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:     adu = self.image_processor.calculate_8bit_adu()
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:   File "/home/pi/indi-allsky/indi_allsky/image.py", line 459, in processImage
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:     self.processImage(i_dict)
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:   File "/home/pi/indi-allsky/indi_allsky/image.py", line 258, in saferun
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:     self.saferun()
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception:   File "/home/pi/indi-allsky/indi_allsky/image.py", line 229, in run
Jun 22 01:01:24 allsky2 [ERROR] MainProcess allsky._startImageWorker() #773: Image worker exception: Traceback (most recent call last):
Jun 22 01:01:24 allsky2 [INFO] MainProcess allsky.run() #1048: Exposure state: OK
Jun 22 01:01:24 allsky2 [INFO] MainProcess allsky.run() #1047: Camera last ready: 4.1s

Any hint on this? Pulling from git didn't resolve the issue, rebuinding indi neither.
I even deleted the virtualenv dir to no avail.
Thank you for your help (and your wonderful piece of software...)

MS

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