Optical Monitoring of OT 546 in 2009
  We reported the monitoring results of OT 546 in V, R and I bands, observed on 22 nights from February 16 to July 1 in 2009 at Weihai Observatory of Shandong University. During our monitoring, its variability amplitude was small and a possible microvariability was detected on one night using both C and F tests 
Difu Guo, Shaoming Hu and Xu chen
astro-ph.SR