Sky flats assistant and maxim dl with DSLR

[ASTRO1966]

Hello

I have been using Sky flats assistant with Maxim dl and cannon 1100d .Readout mode raw monochrome ,what target ADU should I set . I last set this to 8192 as I saw this figure on a imaging thread but result not great can still see vignetting circle below is a image calibrated with 12 flats averaged with ADU 8192

cheers karl

[Davey-T]

Discussion going on on Maxim Yahoo group on this subject at the moment.

Dave

[ASTRO1966]

Thanks Dave will take a look

[zakky2k]

Beautiful shot!

I remember the Maxim help stating that the curve should be 30%-50% exposure, so assuming 1100D has a 14 bit sensor then the max value (i.e. burned out white) will be 16384. 50% of that is 8192...