Thursday, 11 May 2023
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This is an initial process of job 2147 using the HaO3 filter only. 

Only 13 subs out of 45 had good star numbers and FHWM. The rest were affected by cloud.

I struggled a bit with severe gradients and I am not sure that the calibration is working correctly, but this is where I got to.

Has anyone else had problems with strong gradients and difficulty with calibration since the filter wheel was added? I wonder if I have just done something stupid with master darks, flats and bias?

old_eyes

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