V551 Sgr superoutburst as expected. YYYYMMDD(UT) mag observer 20080427.3510 13.740V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20080427.483 140 (Rod Stubbings) 20080430.3649 <14.50V (ASAS (Pojmanski, G. 2002, Acta Astron. 52,397)) 20080503.451 150 (Rod Stubbings)