Weird noise in integration

Interesting, could you upload the data with the issue? If so, please send like 10 lights per channel and add 10 of each calibration data.

@vincent-mod Uploaded as requested to tailspin45_RGB_noise.

Accidentally trashed DarkFlat subs, so uploaded Master DarkFlat (also Master Dark and Master Flat which is what I used.)

Just tried calibration with only Dark, no improvement.  With no calibration it looks OK.

Thanks, I'll have a closer look tomorrow. Please allow for 2-3 days as we're very busy with preparing a new release. 😉

I had a look at the data and I think there is an issue with either the lights or the darks. I see the following message in the console:

1015 - 2) CALIBRATE: Adaptive Data Pedestal raised to:  3.891E-02
1015 - 2) CALIBRATE: because 2665185 pixels are clipping to 0 without it!!!
1015 - 2) CALIBRATE: Adaptive Data Pedestal set at:  3.891E-02
1015 - 2) CALIBRATE: 9 pixels are clipping to 0.

This means that the substraction of the masterdark is causing that many pixels to turn black. It corrects this by raising the pedestal, but this already points to an issue in the workflow.

The masterflat is not applied correctly either with the masterdarkflat it seems. So I think there is something different with the used darks and darkflats maybe, is that the case? It looks like you need either longer exposures or find the issue with the calibration data.

This is the result without calibration data (heavily cropped and corrected) and what you saw as well:

Adding a question to Vincent's excellent analysis: were all lights and calibration frames shot with the same software?