| 'E' stands for Extension of the list of Sandage in 1962ApJ...135..333S, and the roman number 'R' for ring I or II. | |
| Ref: | =1990AJ.....99..261C |
| by | CAPUTO F. , CHIEFFI A., CASTELLANI V., COLLADOS M., MARTINEZ ROGER C., PAEZ E. |
| Astron. J., 99, 261-272 (1990) | |
| CCD photometry of stars in the old open cluster NGC 188. | |
| o | Table II: stars with format 'NNN.I' or 'NNN.II' are 'NGC 188 1NNN' or 'NGC 188 2NNN' in SIMBAD. |
| o | Table II: <Cl* NGC 188 E I-NNN> N=175, <Cl* NGC 188 E II-NNN> N=232. |
====Sorry, no entry could be found==== | |