Visual magnitude estimates by VSOLJ members object YYYYMMDD(UT) mag code SCOdelta 20170707.517 21 Hro.VSOLJ SCTR 20170714.594 53 Hro.VSOLJ SCTR 20170721.561 51 Hro.VSOLJ SCTR 20170731.532 51 Hro.VSOLJ Observer: M. Hayashi (Saitama, Japan)