UPDATE FROM MABULA
I have had a very rough 2 months unfortunately health wise. I was struck 3x in a row with bacterial infections. The second infection occurred  after a routine hospital checkup and I became very sick. I had to rest and take a lot of antibiotics. Once I was recovering and restarting work 1 month ago, I again became sick. The infection was not yet gone, so even more antibiotics and rest was needed. Needless to say, it took a lot of my energy and I needed a lot of rest.
Finally, the infection is really gone and my energy is coming back step-by-step now and I have started work again. I am terribly sorry to have kept you waiting for support. I will address all outstanding questions and e-mails step-by step and will be on the forum daily from today.
APP 2.0.0-beta47 will come soon as well, a lot of work was already completed before I became very ill, so the release is also nearly ready for you. Beta47 will be much faster actually. Many workflows will be more than 2x faster, mosaics can even be 10x faster than before because registration really received a major boost... all compared to beta46. Â Before I release it, I will make sure that everything is working properly and then I will release it.
Hi,Â
I usually use all calibration frames (Flats, Dark Flats, Darks, Bias) in pre-processing but I have a good CCD and image at -20C so in theory I shouldn't need to use Darks.
So tonight I tried using all of the above except Darks and ended up with hot pixels still showing after Calibration. I was using Average weighting and tried Windsor/Mad/Sigma rejection to no avail.
Then tried again with Darks and hot pixels are gone.
Any thoughts, do I need Darks to get rid of hot pixels?
BTW, I created a bad pixel map and it turned out looking like a grey image without the Darks - with the Darks the hot pixels show up fine. Is that expected?
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Any thoughts?
Apologies, the week has been very busy overhere.
So yes, the purpose of a dark is exactly that, to identify hot pixels. And amp-glow, if that would be the case. You can create a BPM with a proper, long dark and if you have no amp-glow, you can use just a BPM. Having this grey background is normal indeed.
Thanks Vincent, much appreciated.
No worries, thanks for your patience. 😉