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Validating the approximation of the long-range PSF impact by a constant inside the disk of Venus. (A) Logarithm of the filter used for the validation: parametric filter estimated by Grigis et al. (2013) with the central pixels set to zero inside a window of size (2b + 1) × (2b + 1), with b = 64. (B) Observed image inside a window containing the disk of Venus. (C) Convolved image inside a window containing the disk of Venus. The intensity within the window is almost constant.
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