V4739 Sgr (Nova Sgr 2001-2) rapidly fading!! Very rapid fading. Could be a U Sco-type or a pretender?? YYYYMMDD(UT) mag observer 20010818.040 <120p (W. Liller) 20010824.476 <121p (K. Takamizawa) 20010824.480 <121p (K. Takamizawa) 20010826.866 76 (A. Pereira) 20010826.913 73 (A. Pereira) 20010826.930 74 (A. Pereira) 20010826.940 74 (A. Pereira) 20010826.967 72 (A. Pereira) 20010826.996 72 (A. Pereira) 20010827.000 95 (G. Nappi) 20010827.100 64 (C. Scovil) 20010827.100 66 (J. Griese) 20010827.100 7.29V (M. Mattei (from IAUC)) 20010827.180 74 (A. Hale (from IAUC)) 20010827.340 6.47I (P. M. Kilmartin) 20010827.340 6.93R (P. M. Kilmartin) 20010827.340 7.30U (P. M. Kilmartin) 20010827.340 7.46V (P. M. Kilmartin) 20010827.340 8.01B (P. M. Kilmartin) 20010827.350 6.50I (P. M. Kilmartin) 20010827.350 6.96R (P. M. Kilmartin) 20010827.350 7.33U (P. M. Kilmartin) 20010827.350 7.51V (P. M. Kilmartin) 20010827.350 8.07B (P. M. Kilmartin) 20010827.369 6.54I (P. M. Kilmartin) 20010827.369 7.02R (P. M. Kilmartin) 20010827.369 7.38U (P. M. Kilmartin) 20010827.369 7.58V (P. M. Kilmartin) 20010827.369 8.13B (P. M. Kilmartin) 20010827.380 6.55I (P. M. Kilmartin) 20010827.380 7.03R (P. M. Kilmartin) 20010827.380 7.39U (P. M. Kilmartin) 20010827.380 7.59V (P. M. Kilmartin) 20010827.380 8.15B (P. M. Kilmartin) 20010827.380 80 (A. Jones) 20010827.815 79 (M. Reszelski) 20010827.853 84 (A. Pereira) 20010827.874 85 (Patrick Schmeer) 20010828.048 8.55VR (W. Liller) 20010828.116 8.20VR (W. Liller) 20010828.194 88 (E. van Ballegoij) 20010828.553 89 (A. Pearce) 20010828.891 98 (O. Pejcha)