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import type { EclipticCoordinate, EquatorialCoordinate, GalacticCoordinate, GeographicCoordinate, HorizontalCoordinate } from './common';
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/**
 *
 * convertEclipticToEquatorial()
 *
 * Performs the conversion from Ecliptic to Equatorial coordinates for a given
 * datetime and target (observer agnostic).
 *
 * @param date - The date and time of the observation for which to calculate the Horizontal coordinate
 * @param target - The ecliptical coordinate of the observed object.
 * @returns The equatorial coordinates of the target
 *
 */
export declare const convertEclipticToEquatorial: (datetime: Date, target: EclipticCoordinate) => EquatorialCoordinate;
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/**
 *
 * convertGalacticToEquatorial()
 *
 * @param target - The galactic coordinate of the observed object.
 * @returns The equatorial coordinates of the target in J2000.0
 *
 */
export declare const convertGalacticToEquatorial: (target: GalacticCoordinate) => EquatorialCoordinate;
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/**
 *
 * convertEquatorialToHorizontal()
 *
 * Performs the conversion from Equatorial to Horizontal coordinates for a given
 * datetime, observer, and target.
 *
 * @param date - The date and time of the observation for which to calculate the Horizontal coordinate
 * @param observer - The geographic coordinate of the observer.
 * @param target - The equatorial coordinate of the observed object.
 * @returns The horizontal coordinates of the target
 *
 */
export declare const convertEquatorialToHorizontal: (datetime: Date, observer: GeographicCoordinate, target: EquatorialCoordinate) => HorizontalCoordinate;
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/**
 *
 * convertHorizontalToEquatorial()
 *
 * Performs the conversion from Horizontal to Equatorial coordinates for a given
 * datetime, observer, and target.
 *
 * @param datetime - The date and time of the observation for which to calculate the Horizontal coordinate
 * @param observer - The geographic coordinate of the observer.
 * @param target - The horizontal coordinate of the observed object.
 * @returns The equatorial coordinates of the target
 */
export declare const convertHorizontalToEquatorial: (datetime: Date, observer: GeographicCoordinate, target: HorizontalCoordinate) => EquatorialCoordinate;
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