Fig. 6
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Wavefronts (bottom row) estimated using on-sky PSFs (top row) with different manually set field derotator angles. A notable ‘phase bump’ can be consistently seen across all estimates. Note that the images of wavefronts are rotated in accordance with the derotator angle. The samples were recorded under the seeing ≈1.2″, λ = 1600 ± 20 nm.
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