Stars in the field of NGC 4337 appear in SIMBAD with mostly approximate coordinates, but otherwise there are no problems. The Lynga/SIMBAD/WEBDA position for the cluster is a few arcminutes in error. The center given is for the tight clump. The stars M&V observed are unrelated to the real cluster. =============================================================================== Coordinates and identifications for stars in NGC 4337 version: 2 Dec 2001 source: 1973A&AS...10..135M cluster center: 12 24 05 -58 07.3 (J2000) position sources (column 's'): G GSC-ACT (I/255) T Tycho-2 (2000A&A...357..367H, I/259) U UCAC1 (2000AJ....120.2131Z, I/268) Name RA (J2000) Dec s Tycho-2 GSC V remarks 1* 12 24 15.43 -58 05 35.2 U 8641- 403-1 8641-0403 10.5 CPD-57 5444 2 12 24 02.47 -58 05 00.9 U 8641- 178-1 8641-0178 10.9 CPD-57 5441 3 12 23 48.28 -58 05 06.9 U 8641- 181-1 8641-0181 10.9 CPD-57 5439 4 12 24 06.11 -58 03 48.3 U 8641- 172-1 8641-0172 11.5 5 12 24 12.60 -58 02 59.7 U 8641-0241 12.5 6 12 24 32.62 -58 07 46.4 U 8645-0158 12.1 close pair 7 12 24 19.24 -58 08 33.0 U 8645- 63-1 8645-0063 11.9 8 12 24 19.46 -58 02 25.9 U 8641-0001 11.9 9 12 24 37.02 -58 06 57.9 U 8641-2657 13.7 10 12 24 26.94 -58 08 08.3 U 8645-0028 13.4 11 12 24 08.37 -58 08 33.7 U 8645- 139-1 8645-0139 12.2 12 12 24 08.14 -58 07 52.9 G 8645-0135 13.0 13 12 24 01.03 -58 07 55.5 U 8645-0085 11.9 14* 12 23 55.97 -58 06 38.3 G 8641-2629 13.7 15 12 24 13.69 -58 07 12.2 U 8641-0316 13.3 16 12 24 24.68 -58 06 02.0 G 8641-0355 13.6 17* 12 24 49.46 -58 07 10.9 T 8641-2609-1 8641-2609 7.7 HD 107976 18 12 24 49.17 -58 07 06.1 T 8641-1833-1 8641-0079 8.0 CPD-57 5451B Notes: 1 CD-57 4456. 14 eastern star of ~4" pair. 17 IRAS 12220-5750; common proper motion with star 18.