TABLE 1 ******* DEFINITION OF THE CODED NUMBERING SYSTEM DURCHMUSTERUNG -0.XAABBBBB CPD SOUTH OF -52 (1875) -0.XAABBBBB COD NORTH OF -52 (1875) -0.XAABBBBB BD NORTH OF -23 (1855) +0.XAABBBBB BD NORTHERN HEMISPHERE AA # DECLINATION ZONE BBBBB # STAR NUMBER X # 1, 2, ETC. FOR FIRST, SECOND ,ETC. COMPONANT OF VISUAL MULTIPLE STARS HAVING ONLY ONE DM NUMBER HD AND HDE CATALOGUES +1.X0BBBBBB HD AND HDE BBBBBB # HD- OR HDE NUMBER X # 1, 2, ETC. FOR FIRST, SECOND, ETC. COMPONANT OF VISUAL MULTIPLE STARS HAVING ONLY ONE HD- OR HDE NUMBER OPEN AND GLOBULAR CLUSTERS +2.XXXXBBBB NGC CLUSTERS +3.XXXXBBBB IC CLUSTERS XXXX # NGC OR IC NUMBER BBBB # STAR NUMBER ACCORDING TO AUTHORS QUOTED IN THE REFERENCE LIST IN TABLES 4 AND 5 +4.AAXXBBBB CLUSTERS WITHOUT NGC OR IC IDENTIFICATION AA # CODE FOR NAME, ACCORDING TO TABLE 2 XX # CLUSTER NUMBER ACCORDING TO THE NAME +5.AXXXBBBB CLUSTERS WITHOUT NGC OR IC IDENTIFICATION FOR LISTS CONTAINING MORE THAN 100 CLUSTERS A # CODE FOR NAME, ACCORDING TO TABLE 2 XXX # CLUSTER NUMBER ACCORDING TO THE NAME BBBB # STAR NUMBER ACCORDING TO AUTHOR QUOTED IN THE REFERENCES LIST IN TABLES 6 VARIOUS CATALOGUES AND LISTS OF STARS +6.0AABBBBB CATALOGUES CONTAINING MORE THAN 10000 STARS +6.1AAABBBB CATALOGUES CONTAINING MORE THAN 1000 STARS AA, AAA # AUTHORS IDENTIFICATION ACCORDING TO THE REFERENCES LIST IN TABLE 7 BBBBB, BBBB # STAR NUMBER SELECTED AREAS +7.AXXXBBBB CODE FOR STARS IN SELECTED AREAS A # CATALOGUE IDENTIFICATION ACCORDING TO TABLE 8 XXX # SELECTED AREA NUMBER BBBB # STAR NUMBER MISCELLANOUS LISTS +9.0AAABBBB LISTS OF STARS IN ASSOCIATIONS AAA # CODE FOR ASSOCIATIONS (TABLE 3) BBBB # STAR NUMBER ACCORDING TO THE AUTHOR IN THE REFERENCES LIST IN TABLE 9 +9.5AYXXBBB STANDARD REGIONS (TABLE 9) A # IDENTIFICATION (TABLE 9) Y # 1-6 (A-F) XX # 01-09, REGION NUMBER BBB # STAR NUMBER TABLE 2 ******* NAME CODE FOR CLUSTERS IDENTIFICATION +4.AAXXBBBB +4.09 BLANCO +4.21 HOGG +4.27 PISMIS +4.31 STOCK +4.35 TRUMPLER +5.AXXXBBBB +5.1 COLLINDER +5.2 MELOTTE TABLE 3 ******* CODE OF SOME USUAL NUMBERING SYSTEMS +6.001 LUYTEN LTT NUMBERS +6.1001 GLIESE CATALOGUE OF NEARBY STARS +6.1003 YALE TRIGONOMETRICS PARALLAXES +7.4 POTSDAMER SPEKTRAL DURCHMUSTERUNG +9.0001 ORION NO BRUN +9.0004 RING ORI NO ISSERSTEDT +9.0005 RING HYDRA NO ISSERSTEDT +9.0008 CLUSTER IN LINE OF SIGHT OF THE LMC +9.50 HARVARD STANDARD REGIONS +9.515 COUSINS AND STOY E REGIONS TABLE 4 ******* REFERENCES FOR THE NUMEROTATION OF NGC CLUSTERS +2.2232 CLARIA,J.J. 1972, ASTRON. ASTROPHYS. 19, 303. +2.2244 VAN SCHEWICK, H. 1958, VER. UNIV. STERN. BONN NO 51. +2.2264 WALKER, M.F. 1956, ASTROPHYS. J. SUPPL. 23,365. VASILEVSKIS, S. 1965, ASTRON. J. 70, 10 NO VAS.+300. +2.2287 COX, A.N. 1954, ASTROPHYS. J. 119, 188. +2.2353 HOAG, A.A. AND AL. 1961, PUBL. US. NAV. OBS. 17, 347. +2.2362 JOHNSON, H.L. 1950, ASTRON. J. 112, 240. +2.2422 VAN SCHEWICK, H. 1966, VEROEFFENTL. ASTRON. INST. UNIV. BONN NO 74. +2.2451 WILLIAMS, P.M. 1967, MONTHLY NOTES ASTRON. SOC. STH. AFRICA 26, 30 +2.2467 LODEN, L.O. 1966, ARKIV. ASTRON. 4, 65. +2.2516 COX, A.N. 1955, ASTROPHYS. J. 121, 628. +2.2546 LINDOFF, U. 1968, ARKIV. ASTRON. 5, 63. +2.2547 FERNIE, J.D. 1959, MONTHLY NOTES ASTRON. SOC. STH. AFRICA 18, 57. +2.2632 KLEIN-WASSINK, W.J. 1927, PUBL. KAPTEYN ASTRON. LAB. 41. VANDERLINDEN, H.L. 1933, ETUDE DE L/AMAS DE PRAESEPE. J. DUCLOT, GEMBLOUX (BELGIUM). NO VL+1000 +2.3033 VOGT, N., MOFFAT, A.E.J. 1972, ASTRON. ASTROPHYS. SUPPL. 9, 97. +2.3114 JANKOWITZ, N.E.., MCCOSH, C.J. 1963, MONTHLY NOTES ASTRON. SOC. STH. AFRICA 22, 18. +2.3293 FEAST, M.W. 1958, MONTHLY NOTICES ROY. ASTRON. SOC. 118, 618. +2.3532 KOELBLOED, D. 1959, BULL. ASTRON. INST. NETH. 14, 265. +2.3766 AHMED, F. 1962, PUBL. ROY. OBSERV. EDINBURG 3, 60. +2.4755 ARP, H., VAN SANT, C.T. 1958, ASTRON. J. 63, 341. +2.5460 CLARIA, J.J. 1971, ASTRON. J. 76, 639. +2.6124 KOELBLOED, D. 1959, BULL. ASTRON. INST. NETH. 14, 265. +2.6169 MOFFAT, A.F.J., VOGT, N. 1973, ASTRON. ASTROPHYS. SUPPL. 10, 135. +2.6193 MOFFAT, A.F.J., VOGT, N. 1973, ASTRON. ASTROPHYS. SUPPL. 10, 135. +2.6231 SEGGEWISS, W. 1968, VEROEFFENTL. ASTRON. ABH. INST. UNIV. BONN NO 79. +2.6383 THE P. S. 1965, CONTR. BOSCHA OBSERV. NO 32. +2.6475 KOELBLOED, D. 1959, BULL. ASTRON. INST. NETH. 14, 265. +2.6530 WALKER, M.F. 1957, ASTROPHYS. J. 125, 636. TABLE 5 ******* REFERENCES FOR THE NUMEROTATION OF IC CLUSTERS +3.2391 PERRY, C.L., HILL, G. 1969, ASTRON. J. 74, 89 (NO CDS). +3.2581 LLOYD, E.T. 1969, MONTHLY NOTICES ROY. ASTRON. SOC. 146, 101. +3.2602 BRAES, L.L.E. 1962, BULL. ASTRON. INST. NETH. 16, 297. +3.2944 THACKERAY, A.D. AND AL. 1965, MONTHLY NOTICES ROY. ASTRON. SOC.131, 121. +3.4725 JOHNSON, H.L. 1960, ASTROPHYS. J. 131, 620. TABLE 6 ******* REFERENCES FOR THE NUMEROTATION OF CLUSTERS WITHOUT NGC OR IC NUMBER +4.0901 EPSTEIN, I. 1968, ASTRON. J. 73, 556. +4.2122 MOFFAT, A.F.J., VOGT, N. 1973, ASTRON. ASTROPHYS. SUPPL. 10, 135. +4.2706 VOGT, N., MOFFAT, A.F.J. 1972, ASTRON. ASTROPHYS. SUPPL. 9, 97. +4.3116 LYNGA, G. IAU SYMP. NO 38, 270 (NO CDS). +4.3510 LYNGA, G. 1959, ARKIV. ASTRON. 2, 379. +5.1121 FEINSTEIN, A. 1967, ASTROPHYS. J. 149, 107. +5.1140 WILLIAMS, P.M. 1967, MONTHLY NOTES ASTRON. SOC. STH. AFRICA 26,126 +5.2101 BRAES, L.L.E. 1962, MONTHLY NOTES ASTRON. SOC. STH. AFRICA 21, 16. TABLE 7 ******* REFERENCES FOR CATALOGUES AND LISTS +6.0001 LUYTEN, W.J. 1957, A CATALOGUE OF 9867 STARS IN THE SOUTHERN HEMISPHERE WITH PROPER MOTION EXCEEDING 0.2 ANNUALLY. LUND PRESS, MINNEAPOLIS (MINESSOTA) LUYTEN, W.J. 1961, A CATALOGUE OF 7127 STARS IN THE NORTHERN HEMISPHERE WITH PROPER MOTION EXCEEDING 0.2 ANNUALLY LUND PRESS, MINNEAPOLIS (MINNESOTA) LUYTEN, W.J. 1962, FIRST SUPPLEMENT TO THE LTT CATALOGUES. THE OBSERV. UNIV. MINNESOTA +6.1001 GLIESE, W. 1969, CATALOGUE OF NEARBY STARS VEROEFFENTL. HEIDELBERG NO 22. +6.1003 JENKINS, L.D. GENERAL CATALOGUE OF TRIGONOMETRIC PARALLAXES 1963, YALE UNIV. OBSERV. TABLE 8 ******* REFERENCE FOR THE SELECTED AREAS CATALOGUES +7.4XXXBBBB BECKER, F., BRUCK, H. 1931-35, PUBL. ASTROPHYS. OBSERV. POTSDAM, VOL. I7-28, SPECTRAL DURCHMUSTERUNG DER KAPTEYN# SCHEN EICHFELDERN SUDHIMMELS. TABLE 9 ******** REFERENCES FOR THE NUMEROTATION OF ASSOCIATIONS AND RINGS +9.0001 BRUN, A. 1935, PUBL. OBSERV. LYON 1, FASC. 12, 1. +9.0004 ISSERSTEDT, J. 1968, VEROEFFENTL. ASTRON. INST. UNIV. BOCHUM 1, 121. +9.0005 ISSERSTEDT, J. 1968, VEROEFFENTL. ASTRON. INST. UNIV. BOCHUM 1, 121. +9.0008 SANDULEAK, N., PHILIP A.G.D. 1968, ASTRON. J. 73, 566. REFERENCES FOR VARIOUS REGIONS +9.50YXXBBB HARVARD STANDARD REGIONS 1917, ANN. HARV. COLL. OBSERV. 71, 233. +9.515XXBBB COUSINS, A.W.J., STOY, R.H. 1961, ROY. OBSERV. BULL. NO 49.