Sun Ha 20/06/17 Flats experiment

I thought I'd experiment with flats. Used cling film over the objective to get flats both full disk and close up, with mixed results. Captured 1000 frames and stacked 500 for each. The images below have just been stacked in AS! and sharpened with Registax wavelets, no other processing.
The full disk images where at prime focus and closeups added a Barlow lens to the camera nose piece.

Full disk with flats

Full disk without flats

Closeup with flats

Closeup without flats

Closeup disk edge with flats

Closeup disk edge without flats

All the flats where applied during processing with AS!3.

The full disk with flats could be improved with more processing, however the NR looks far worse with flats!

The close up on the disk does improve with flats, however the close up at the solar edge has worse NR with flats.

I know all the images could be improved with more processing, however I wanted to compare just the effects of flats, as you can see the results are mixed. More experiments are called for I think.