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#apertus IRC Channel Logs

2022/04/11

Timezone: UTC


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vup
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03:29
Bertl_oO
off to bed now ... have a good one everyone!
03:29
Bertl_oO
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Bertl_zZ
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14:11
vup
so https://files.niemo.de/darkframe_comparison.pdf is the comparison between some older darkframes and some recent darkframes of the same sensor
14:12
vup
the main difference is that the old ones were not 2048 mode, so they are a bit smaller, but this should not change the way the sensor is read out (Bertl_oO: right?)
14:12
vup
the rest of the settings should be exactly equal afaict
14:12
vup
so they certainly seems to change, by quite a lot even
14:13
vup
when I am home again, I might start some timeseries, to see if this is actually changing over time, or just a setup difference
14:19
Bertl_oO
I presume the readout was always done on the full sensor data (4096x3072) so probably no difference there
14:19
Bertl_oO
might be interesting to try a complete power reset and see if that changes the sensor behaviour
14:22
vup
yeah that was the plan
14:23
vup
also temperature might be interesting
14:23
vup
the older darkframes were taken during winter iirc, so maybe it was a bit colder
14:23
vup
also the camera was reassembled atleast once inbetween, but not sure that should change a lot
14:27
Bertl_oO
well, as long as the sensor stayed the same it should not have any effect on digital data
14:38
vup
yes, but maybe some power connector has a bad contact and now has a different resistance
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