An off-axis aberration affecting picture high quality, this defect causes level sources of sunshine, akin to stars, to seem as comet-like shapes, with mild more and more trailing away from the middle of the sphere. This distortion worsens farther from the optical axis, rendering pictures much less sharp and extra subtle, notably in direction of the sides of the view.
Its presence considerably impacts the resolving energy of reflecting telescopes, diminishing the distinction and readability of noticed celestial objects. Traditionally, minimizing it has been a key goal in telescope design, driving developments in optical configurations and corrective components. Addressing this problem is crucial for high-resolution astronomical imaging and exact scientific measurements.
