R CrB rapid fading! YYYYMMDD(UT) mag observer 20001203.700 71 (R. J. Bouma) 20001204.212 69 (T. Lange) 20001204.860 70 (K. Hirosawa) 20001205.099 70 (L. Kiss) 20001205.221 72 (R. J. Bouma) 20001205.250 72 (G. Comello) 20001206.217 70 (T. Lange) 20001207.219 71 (E. Muyllaert) 20001207.222 76 (R. J. Bouma) 20001207.239 74 (G. Comello) 20001208.110 77 (B. H. Granslo) 20001208.240 77 (E. Morillon) 20001208.844 77 (K. Hirosawa) 20001208.848 79 (Y. Watanabe) 20001209.199 68 (J. Gunther) 20001209.858 83 (Y. Watanabe) 20001209.862 82 (H. Maehara) 20001210.135 81 (B. Andresen) 20001210.846 86 (Y. Atobe) 20001210.857 86 (Y. Watanabe) 20001212.130 90 (B. H. Granslo) 20001212.853 90 (H. Maehara)