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@mpinnuck Mark, I don't know, but have some ideas on how to determine why. Stop Allsky and run the command from the command line, using the time raspistill --output '/tmp/test.jpg' --thumb none --burst -st --timeout 1 --nopreview --mode 3 --exposure off --shutter 527 --analoggain 1 --exif IFD0.Artist=li_527_1 --awb auto --saturation 50 --brightness 55 --quality 100 Look at the times - "real" is the actual time, e.g., 50 seconds. "user" and "sys" say how much CPU was being used. If a lot of CPU seconds were used that tells us something, but if almost no CPU was used, then the command is probably doing a little work and then waiting for something to happen, like the picture finishing. Try the same command but with If it's still taking a long time, remove Let me know what you get. |
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Thanks for the suggestions I have determined the cause of my problem. |
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Any ideas why rapistill takes so long to take a 30sec capture during the night i.e. 71 seconds
Mar 9 23:53:59 allsky allsky.sh[945]: > Capture command: raspistill --output '/home/pi/allsky/tmp/allsky-20220309235359.jpg' --thumb none --burst -st --timeout 1 --nopreview --mode 3 --exposure off --shutter 30000000 --analoggain 10 --exif IFD0.Artist=li_30000000_10 --awb auto --saturation 50 --brightness 35 --quality 100
Mar 9 23:55:10 allsky allsky.sh[945]: > Saving NIGHT image 'allsky-20220309235359.jpg'
Similarly during the day 527ms takes 50sec.
Mar 9 18:44:00 allsky allsky.sh[945]: > Capture command: raspistill --output '/home/pi/allsky/tmp/allsky-20220309184400.jpg' --thumb none --burst -st --timeout 1 --nopreview --mode 3 --exposure off --shutter 527 --analoggain 1 --exif IFD0.Artist=li_527_1 --awb auto --saturation 50 --brightness 55 --quality 100
Mar 9 18:44:50 allsky allsky.sh[945]: > Saving DAY image 'allsky-20220309184400.jpg'
I am using a Pi 3A+ no throttling low cpu typically only a few % and plenty of memory typically 25-70%
Thanks Mark
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