V4641 Sgr, recent visual estimates YYYYMMDD(UT) mag observer 20020527.424 <116 (Rod Stubbings) 20020529.424 <120 (Rod Stubbings) 20020531.453 133 (Rod Stubbings) 20020531.628 134 (Rod Stubbings) 20020601.415 133 (Rod Stubbings)