V4742 Sgr: prediscovery negative observations by Had Photographic magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code SGRV4742 20020223.490 <128p Had.VSOLJ SGRV4742 20020618.627 <128p Had.VSOLJ Observer's code: Had: K. Haseda (Aichi, Japan) Instruments: 10cm F4.0 twin patrol camera +T-Max400(120)