Stacked from 27 images. Method=C (S=1)

Stacked from 19 images. Method=B (R=1,S=1)

Stacked from 69 images. Method=C (S=1)

Stacked from 43 images. Method=B (R=1,S=1)

Stacked from 43 images. Method=B (R=1,S=1)

Stacked from 34 images. Method=C (S=1)

Stacked from 40 images. Method=B (R=1,S=1)

Stacked from 64 images. Method=C (S=1)