/**
 * Coordinate parsing utilities for sexagesimal RA/Dec strings.
 */
/**
 * Parse a right ascension string "HH:MM:SS.SS" to degrees.
 * RA hours are multiplied by 15 to convert to degrees.
 */
export declare function parseRA(ra: string): number | null;
/**
 * Parse a declination string "±DD:MM:SS.SS" to degrees.
 */
export declare function parseDec(dec: string): number | null;
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