Reply To: Seestar photometry problems?

I have recently started experimenting using a Seestar S30 for observing eclipsing binaries. One issue I found was that the automatically ‘in focus’ images generated larger scatter than certain manually adjusted out of focus images. The attached ‘light curve’ of DO Cas shows one example of this effect. However, in these results the scatter was not as large as in the T CrB data, so possibly not relevant in this case. (All my data points are from single images, not stacks.)