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Accurate positions (J2000.0) for open clusters

This is an ongoing project. Here are some preliminary results:
Ref. GSC is the star (in the Guide Star Catalogue) used.
Sep. is the rough distance between the old (Megastar V. 3) and given position.

Cluster     	    New coords          Ref. GSC       Sep. 	Size	Stars
            	    RA (J2000.0)Decl.   (From Megastar)

NGC 956 02 32 29 +44 36 27 2844:1973 3' NGC 2254 06 35 47 +07 40 15 733:357 3.1' compact Cr 111 06 38 48 +06 54 50 159:1544 ??? 1.6' NGC 2253 06 42 36 +66 24 00 Old IC 2172 06 46 52 +01 18 54 Old Biur 12 06 50 16 +05 43 42 Old St: vF Biur 11 06 51 21 +05 46 06 Old Berk 29 06 53 04 +16 55 42 Old NGC 2304 06 55 12 +17 59 18 Old Biur 7 06 57 38 +08 16 57 748:2691 0.3' Biur 9 06 57 46 +03 13 42 Old Berk 32 06 58 07 +06 25 54 Old Cz 27 07 03 18 +06 22 47 174:748 1.4' NGC 2331 07 06 53 +27 16 05 1903:1595 6.6' Berk 35 07 09 56 +02 43 51 167:1508 0.2' 3' IC 1272 18 04 57 +25 02 39 No GSC ref. 2.4' 2.3' ?? IC 1273 18 04 56 +25 08 03 No GSC ref. 3.3' ?? IC 1285 18 16 06 +25 06 00 No GSC ref. S knot St:4-5*? Cz 38 18 49 47 +04 58 12 456:116 4.0' 6.5' Cz39 19 07 41 +04 19 47 471:2709 2.3' NGC 6755 19 07 48 +04 14 00 Old NGC 6756 19 08 42 +04 42 12 471:761 1.1' Berk 82 19 11 21 +13 06 34 1049:633 2.7' Berk 43 19 15 31 +11 16 13 no GSC ref. 2.5' Berk 44 19 17 15 +19 32 31 Old Berk 45 19 19 06 +15 42 55 1599:2283 1.5' NGC 6791 19 20 53 +37 47 26 no GSC ref. 3.7' NGC 6793 19 23 15 +22 09 06 1612:814 2.2' King 25 19 24 30 +13 42 00 Old NGC 6800 19 27 12 +25 08 00 Old 15' (obs.) Berk 47 19 28 30 +17 21 36 1605:457 3.6' King 26 19 28 59 +14 52 17 1067:259 0.4' 3' NGC 6811 19 37 11 +46 22 23 3556:1300 15.7' Cr 401 19 38 22 +00 20 42 479:1987 0.9' 2' Cz 40 19 42 37 +21 09 10 1614:769 2.0' Roslund 2 19 45 08 +23 58 36 2139:1669 4.9' Berk 48 = N6827 19 48 53 +21 13 00 1627:701 1.9' 3' NGC 6830 19 51 01 +23 05 54 2140:854 2.7' NGC 6837 19 53 09 +11 42 17 1066:2996 4.0' NGC 6840 19 55 15 +12 07 04 1079:318 1.4' 5' NGC 6843 19 56 06 +12 09 21 1079:1987 2.3' 6' NGC 6846 19 56 28 +32 20 55 2673:2510 120' Roslund 3 19 58 45 +20 30 39 1624:305 1.8' Berk 49 19 59 25 +34 38 27 2678:1443 5.3' Berk 83 20 01 25 +28 38 27 no GSC ref. 0.5' NGC 6866 20 03 55 +44 09 50 3162:688 10.2' Berk 84 20 04 43 +33 54 07 2678:501 3.2' Roslund 4 20 04 48 +29 12 31 no GSC ref. 3.1' Basel 6 = N6874? 20 07 35 +38 15 18 3150:3499 11' Berk 50 = I1310? 20 10 01 +34 58 05 2679:322 5.1' or 20 10 39 +34 52 03 2679:394 (Group)?4.9' IC 1311 20 10 49 +41 10 17 3155:1541 5.5' NGC 6883 20 11 18 +35 51 00 Old Ru 172 20 11 34 +35 36 23 2679:25 2.3' Berk 51 20 11 54 +34 23 59 2679:1138 3.2' Berk 52 20 14 28 +28 56 40 no GSC ref. 1.8' Do 3 20 15 42 +36 48 00 Old IC 4996 20 16 31 +37 38 31 3151:3433 1.6' vdBergh 130 20 17 44 +39 20 38 3151:109 0.6' Do 4 20 17 47 +36 45 08 2684:1831 4.0' Cr 419 20 18 06 +40 44 00 Old 6.5' Berk 85 20 18 46 +37 44 17 3151:1342 1.5' Do 42 20 19 20 +38 08 37 3151:2788 5.4' Do 5 20 20 07 +39 18 59 3152:1570 6.0' Do 6 20 20 28 +41 21 49 3160:391 3.8' Berk 87 20 21 36 +37 22 00 Old Berk 88 20 21 16 +48 08 37 no GSC ref. 4.3' M 29 20 23 59 +38 29 46 3152:1599 2.5' Berk 89 20 24 28 +46 02 25 3572:1844 4.2' Do 9 20 25 33 +41 55 02 3160:1605 2.0' Do 11 20 26 22 +41 22 46 3160:707 4.2' Do 44 20 29 51 +41 40 50 No GSC ref. 2.7' NGC 6939 20 31 32 +60 39 28 4233:1808 1.5' Berk 90 20 35 18 +46 50 53 3573:2188 2.0' Do 47 20 41 37 +36 37 20 2698:1676 2.1' Ru 174 20 43 27 +37 00 49 2699:1204 3.1' Dodz 11 20 51 03 +35 52 55 2700:755 4.2' Berk 53 20 56 04 +51 04 40 3587:103 9.5' Cr 427 21 00 29 +68 10 00 no GSC ref. 5.5' NGC 7023 21 01 37 +68 09 49 4460:3015 6.2' Berk 54 21 03 00 +40 26 12 3172:2009 2.9' NGC 7031 21 07 13 +50 52 57 3600:84 3.0' Basel 12 21 10 30 +47 14 00 Old IC 1369 21 12 08 +47 46 14 3593:3282 2.3' NGC 7044 21 13 06 +42 29 54 3177:2472 1.4' Basel 13 21 13 07 +46 34 04 3589:2307 1.3' Basel 15 21 15 06 +48 53 01 ??? (POSS:group) 8.4' Berk 55 21 17 00 +51 45 48 3601:808 3.0' Berk 56 21 17 36 +41 49 29 3177:2864 3.9' Basel 14 21 21 02 +44 49 08 3194:1149 2.1' NGC 7062 21 23 31 +46 22 13 3590:2189 3.5' NGC 7067 21 24 12 +48 01 00 Old IC 5112 21 29 21 +06 46 30 no GSC ref. 2.2' 3' St:15 IC 5113 21 29 41 +06 48 44 541:880 0.4' 3' St:10 NGC 7129 21 43 02 +66 06 47 no GSC ref. 9.9' NGC 7127 21 43 53 +54 35 44 3971:1540 1.4' NGC 7142 21 45 10 +65 46 38 4274:2338 4.7' 6' Berk 93 21 55 29 +63 56 24 4270:646 4.7' NGC 7226 22 10 27 +55 23 47 3973:198 1.3' NGC 7245 22 15 15 +54 20 04 3982:981 0.4' King 9 22 15 30 +54 24 36 3986:621 1.1' IC 1442 22 16 04 +53 59 27 3982:3244 5.1' Berk 94 22 22 53 +55 52 13 3986:1486 2.1' NGC 7281 22 25 04 +57 47 44 3990:616 4.1' Berk 95 22 28 18 +59 08 00 Old Berk 96 22 29 51 +55 24 22 3987:1929 3.9' Berk 97 22 39 23 +59 00 26 3995:625 1.6' Cz 42 22 39 33 +59 54 53 3995:410 2.6' Berk 98 22 42 44 +52 25 00 3633:2090 4.3' King 18 22 52 12 +58 18 43 3996:391 1.7' NGC 7419 22 54 17 +60 48 48 4278:60 1.1' King 10 22 55 00 +59 10 00 Old NGC 7423 22 55 09 +57 05 54 no GSC ref. 2.5' NGC 7438 22 57 22 +54 22 33 3989:945 2.6' Stock 12 23 37 40 +52 21 26 3650:2409 5.9' Arrow-head or 23 35 23 +52 42 01 4000:1686 24' Brighter group IC 1465 23 02 49 +16 35 31 no GSC ref. 1.4' 3' St:10 NGC 7510 23 11 04 +60 34 09 4279:2132 3.2' Mkn 50 23 15 08 +60 26 05 4279:2249 1.9' Berk 99 23 21 33 +71 47 00 4486:921 2.0' Cl w. knot W M 52 23 24 41 +61 35 33 4279:443 2.9' Cz 43 23 25 40 +61 20 54 4279:306 3.0' Berk 100 23 25 59 +63 46 33 4288:1169 4.7' King 20 23 33 17 +58 29 09 no GSC ref. 1.4' Cz 44 23 33 41 +61 57 02 4284:1192 3.1' Berk 101 23 32 47 +64 12 17 4288:1191 4.6' Berk 103 23 45 12 +59 18 00 Old King 11 23 47 39 +68 37 48 no GSC ref. 1.2' King 21 23 49 56 +62 41 40 4285:156 0.4' NGC 7762 23 50 01 +68 01 57 4479:1304 1.0' Harvard 21 23 54 13 +61 43 50 4281:1712 1.5' Cz 45 23 55 44 +64 37 22 4289:735 6.4' NOTE: Galaxy NGC 7074: 21 29 38.95 +06 40 56.2 is GSC541:1074

Updated 14.11.2000