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import type { EquatorialCoordinate, GeographicCoordinate } from './common';
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/**
 *
 * getCorrectionToEquatorialForAnnualAberration()
 *
 * Corrects the equatorial coordinate of a target for aberration in
 * longitude and obliquity due to the apparent motion of the Earth.
 *
 * @param date - The date to correct the equatorial coordinate for.
 * @param target - The equatorial J2000 coordinate of the target.
 * @returns The corrected equatorial coordinate of the target.
 *
 */
export declare const getCorrectionToEquatorialForAnnualAberration: (datetime: Date, target: EquatorialCoordinate) => EquatorialCoordinate;
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/**
 *
 * getCorrectionToEquatorialForDiurnalAberration()
 *
 * Corrects the equatorial coordinate of a target for aberration in
 * longitude and obliquity due to the apparent motion of the Earth.
 *
 * @param date - The date to correct the equatorial coordinate for.
 * @param target - The equatorial J2000 coordinate of the target.
 * @returns The corrected equatorial coordinate of the target.
 *
 */
export declare const getCorrectionToEquatorialForDiurnalAberration: (datetime: Date, observer: GeographicCoordinate, target: EquatorialCoordinate) => EquatorialCoordinate;
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/**
 *
 * getCorrectionToEquatorialForAberration()
 *
 * Corrects the equatorial coordinate of a target for aberration in
 * longitude and obliquity due to the apparent motion of the Earth.
 *
 * @param date - The date to correct the equatorial coordinate for.
 * @param target - The equatorial J2000 coordinate of the target.
 * @returns The corrected equatorial coordinate of the target.
 *
 */
export declare const getCorrectionToEquatorialForAberration: (datetime: Date, observer: GeographicCoordinate, target: EquatorialCoordinate) => EquatorialCoordinate;
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