\bBE(-| +)STAR(S?)\b BESTAR\2 \b([OBAFGKMS])(-| +)STAR(S?)\b \1STAR\3 \bH(-| +)(ALPHA|BETA|I+)\b H\2 \bINFRA(-| +)RED([A-Z]*)\b INFRARED\2 \bRED(-| +)SHIFT([A-Z]*)\b REDSHIFT\2 \bT(-| +)TAURI\b TTAURI \b(X|GAMMA)(-| +)RAY(S?)\b \1RAY\3 \bMESSIER(-| +)([0-9]+[A-Z]*) M\2 \bABELL(-| +)([0-9]+[A-Z]*) A\2 \b(CAS|CASSIOPEIAE)(-| +)A\b \1A \b(CEN|CENTUARUS)(-| +)A\b \1A \b(CYG|CYGNUS)(-| +)A\b \1A CYGNUSA \b(HER|HERCULES)(-| +)A\b \1A \b(AURIGA|FORNAX|HYDRA|LEO|ORION|PICTOR(-| +)A\b \1A \b(PUPPIS|TAURUS|VIRGO)(-| +)A\b \1A \b(PERSEUS|PER)(-| +)A\b \1A \b(SAGITTARIUS|SGR)(-| +)A\b \1A \bN(-| *)([0-9]+[A-Z]*) NGC \2 \b([34]CR?|ADS|H[DHR]|IC|[MW])(-| +)([0-9]+[A-Z]*) \1\3 \b(MKN|NGC|PKS|PSR[BJ]?|SAO|UGC)(-| +)([0-9]+[A-Z]*) \1\3 \bSHOEMAKER(-| +)LEVY(-| +)([0-9]) SL\3 \bS-Z\b SUNYAEV-ZELDOVICH \b([AN][0-9]{2})-([0-9]{5})\b \1\2 \b1987(-| +)A 1987A ([A-Z])'S\b \1 \b[DL]'([AEIOUY]) \1 \b([A-Z]+[A-Z])'([A-RT-Z])\b \1\2 \b([A-CE-KM-Z])'([A-Z][A-Z]+)\b \1\2 \b([A-Z]+[A-Z])'([A-Z][A-Z]+)\b \1\2
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