It seems like a pretty straightforward routine to take flats with Ekos. But being new to this there is always a niggling feeling that I might be doing it wrong or could be doing it better. Here is how I am taking my flats:

1. White t-shirt flat and stretched over end of OTA.
2. In Ekos I select "flat" and in customize I leave it at "manual". I leave ISO the same but on my 6D select AV (rather than BULB setting).
3. I start capturing while using my iPad on full brightness holding it pressed up against the white t-shirt.

My flats look good I think. On the histogram they are about half way exposed.

Am I doing the right thing for good flats?

Read More...