V4018 Sgr fading update YYYYMMDD(UT) mag observer 20010204.107 133 (B. Monard) 20010302.090 128 (B. Monard) 20010317.751 132 (P. Williams) 20010328.044 130 (B. Monard) 20010417.960 133 (B. Monard) 20010423.315 13.37V (S. O'Connor) 20010423.992 134: (B. Monard) 20010506.301 13.12V (S. O'Connor)